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142135070 = 25711297173
BaseRepresentation
bin10000111100011…
…00111100011110
3100220110012122212
420132030330132
5242341310240
622034240422
73344061650
oct1036147436
9326405585
10142135070
1173260200
123b726112
13235a70bc
1414c3c6d0
15c729165
hex878cf1e

142135070 has 96 divisors (see below), whose sum is σ = 326579904. Its totient is φ = 43591680.

The previous prime is 142135057. The next prime is 142135087. The reversal of 142135070 is 70531241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 821504 + ... + 821676.

It is an arithmetic number, because the mean of its divisors is an integer number (3401874).

Almost surely, 2142135070 is an apocalyptic number.

142135070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142135070 is an abundant number, since it is smaller than the sum of its proper divisors (184444834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142135070 is a wasteful number, since it uses less digits than its factorization.

142135070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 142135070 is about 11922.0413520504. The cubic root of 142135070 is about 521.8757086775.

The spelling of 142135070 in words is "one hundred forty-two million, one hundred thirty-five thousand, seventy".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 97 110 121 154 173 194 242 346 385 485 605 679 770 847 865 970 1067 1210 1211 1358 1694 1730 1903 2134 2422 3395 3806 4235 5335 6055 6790 7469 8470 9515 10670 11737 12110 13321 14938 16781 19030 20933 23474 26642 33562 37345 41866 58685 66605 74690 82159 83905 104665 117370 117467 133210 146531 164318 167810 184591 209330 234934 293062 369182 410795 587335 732655 821590 922955 1174670 1292137 1465310 1845910 2030501 2584274 4061002 6460685 10152505 12921370 14213507 20305010 28427014 71067535 142135070