136969056 has 120 divisors (see below), whose sum is σ = 460429200. Its totient is φ = 39128832.

The previous prime is 136969039. The next prime is 136969123. The reversal of 136969056 is 650969631.

It is a super-2 number, since 2×136969056² = 37521044603062272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14370 + ... + 21918.

It is an arithmetic number, because the mean of its divisors is an integer number (3836910).

Almost surely, 2^136969056 is an apocalyptic number.

136969056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 136969056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230214600).

136969056 is an abundant number, since it is smaller than the sum of its proper divisors (323460144).

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

136969056 is an equidigital number, since it uses as much as digits as its factorization.

136969056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7578 (or 7561 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 136969056 is about 11703.3779739014. The cubic root of 136969056 is about 515.4748578388.

The spelling of 136969056 in words is "one hundred thirty-six million, nine hundred sixty-nine thousand, fifty-six".