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135671656 = 2334948593
BaseRepresentation
bin10000001011000…
…10111101101000
3100110021211112011
420011202331220
5234212443111
621243525304
73235122121
oct1005427550
9313254464
10135671656
116a64613a
1239529834
13221531b3
1414039048
15bd9e021
hex8162f68

135671656 has 16 divisors (see below), whose sum is σ = 255118500. Its totient is φ = 67640064.

The previous prime is 135671629. The next prime is 135671659. The reversal of 135671656 is 656176531.

It can be written as a sum of positive squares in 2 ways, for example, as 131469156 + 4202500 = 11466^2 + 2050^2 .

It is not an unprimeable number, because it can be changed into a prime (135671659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21505 + ... + 27088.

Almost surely, 2135671656 is an apocalyptic number.

It is an amenable number.

135671656 is a deficient number, since it is larger than the sum of its proper divisors (119446844).

135671656 is a wasteful number, since it uses less digits than its factorization.

135671656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48948 (or 48944 counting only the distinct ones).

The product of its digits is 113400, while the sum is 40.

The square root of 135671656 is about 11647.8176496715. The cubic root of 135671656 is about 513.8421292934.

The spelling of 135671656 in words is "one hundred thirty-five million, six hundred seventy-one thousand, six hundred fifty-six".

Divisors: 1 2 4 8 349 698 1396 2792 48593 97186 194372 388744 16958957 33917914 67835828 135671656