155653136 has 10 divisors (see below), whose sum is σ = 301577982. Its totient is φ = 77826560.

The previous prime is 155653129. The next prime is 155653153. The reversal of 155653136 is 631356551.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 135582736 + 20070400 = 11644^2 + 4480^2 .

It is a junction number, because it is equal to n+sod(n) for n = 155653096 and 155653105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4864145 + ... + 4864176.

Almost surely, 2^155653136 is an apocalyptic number.

155653136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155653136 is a deficient number, since it is larger than the sum of its proper divisors (145924846).

155653136 is an equidigital number, since it uses as much as digits as its factorization.

155653136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9728329 (or 9728323 counting only the distinct ones).

The product of its digits is 40500, while the sum is 35.

The square root of 155653136 is about 12476.1025965644. The cubic root of 155653136 is about 537.9219816571.

The spelling of 155653136 in words is "one hundred fifty-five million, six hundred fifty-three thousand, one hundred thirty-six".