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135155140 = 22528323879
BaseRepresentation
bin10000000111001…
…00110111000100
3100102022120222221
420003210313010
5234044431030
621224502124
73230541211
oct1003446704
9312276887
10135155140
116a32306a
123931a944
1322002073
1413d42b08
15bceae7a
hex80e4dc4

135155140 has 24 divisors (see below), whose sum is σ = 284840640. Its totient is φ = 53868768.

The previous prime is 135155131. The next prime is 135155143. The reversal of 135155140 is 41551531.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (135155143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6280 + ... + 17599.

It is an arithmetic number, because the mean of its divisors is an integer number (11868360).

Almost surely, 2135155140 is an apocalyptic number.

135155140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135155140 is an abundant number, since it is smaller than the sum of its proper divisors (149685500).

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

135155140 is a wasteful number, since it uses less digits than its factorization.

135155140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24171 (or 24169 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 135155140 is about 11625.6242843126. The cubic root of 135155140 is about 513.1892166789.

The spelling of 135155140 in words is "one hundred thirty-five million, one hundred fifty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 283 566 1132 1415 2830 5660 23879 47758 95516 119395 238790 477580 6757757 13515514 27031028 33788785 67577570 135155140