136018656 has 48 divisors (see below), whose sum is σ = 396723600. Its totient is φ = 45339264.

The previous prime is 136018639. The next prime is 136018667. The reversal of 136018656 is 656810631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×136018656³ (a number of 25 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 136018656.

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 7 ways as a sum of consecutive naturals, for example, 77851 + ... + 79578.

It is an arithmetic number, because the mean of its divisors is an integer number (8265075).

Almost surely, 2^136018656 is an apocalyptic number.

136018656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

136018656 is an abundant number, since it is smaller than the sum of its proper divisors (260704944).

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

136018656 is a wasteful number, since it uses less digits than its factorization.

136018656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157448 (or 157434 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 136018656 is about 11662.7036316628. The cubic root of 136018656 is about 514.2798316787.

The spelling of 136018656 in words is "one hundred thirty-six million, eighteen thousand, six hundred fifty-six".