13155136 has 14 divisors (see below), whose sum is σ = 26104850. Its totient is φ = 6577536.

The previous prime is 13155133. The next prime is 13155139. The reversal of 13155136 is 63155131.

It is an interprime number because it is at equal distance from previous prime (13155133) and next prime (13155139).

It can be written as a sum of positive squares in only one way, i.e., 8065600 + 5089536 = 2840^2 + 2256^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13155136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13155133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102711 + ... + 102838.

Almost surely, 2^13155136 is an apocalyptic number.

13155136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13155136 is a deficient number, since it is larger than the sum of its proper divisors (12949714).

13155136 is an equidigital number, since it uses as much as digits as its factorization.

13155136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205561 (or 205551 counting only the distinct ones).

The product of its digits is 1350, while the sum is 25.

The square root of 13155136 is about 3627.0009649847. Note that the first 3 decimals coincide. The cubic root of 13155136 is about 236.0650974304.

The spelling of 13155136 in words is "thirteen million, one hundred fifty-five thousand, one hundred thirty-six".