136626331 has 12 divisors (see below), whose sum is σ = 149498136. Its totient is φ = 124426560.

The previous prime is 136626323. The next prime is 136626341. The reversal of 136626331 is 133626631.

It is not a de Polignac number, because 136626331 - 2³ = 136626323 is a prime.

It is a super-2 number, since 2×136626331² = 37333508645043122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 136626293 and 136626302.

It is not an unprimeable number, because it can be changed into a prime (136626341) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12156 + ... + 20518.

It is an arithmetic number, because the mean of its divisors is an integer number (12458178).

Almost surely, 2^136626331 is an apocalyptic number.

136626331 is a deficient number, since it is larger than the sum of its proper divisors (12871805).

136626331 is an equidigital number, since it uses as much as digits as its factorization.

136626331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8442 (or 8411 counting only the distinct ones).

The product of its digits is 11664, while the sum is 31.

The square root of 136626331 is about 11688.7266629005. The cubic root of 136626331 is about 515.0445570523.

The spelling of 136626331 in words is "one hundred thirty-six million, six hundred twenty-six thousand, three hundred thirty-one".