136018932440 has 64 divisors (see below), whose sum is σ = 310921459200. Its totient is φ = 53541848448.

The previous prime is 136018932397. The next prime is 136018932457. The reversal of 136018932440 is 44239810631.

It is a super-2 number, since 2×136018932440² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2706017 + ... + 2755823.

It is an arithmetic number, because the mean of its divisors is an integer number (4858147800).

Almost surely, 2^136018932440 is an apocalyptic number.

136018932440 is a gapful number since it is divisible by the number (10) 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 136018932440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155460729600).

136018932440 is an abundant number, since it is smaller than the sum of its proper divisors (174902526760).

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

136018932440 is a wasteful number, since it uses less digits than its factorization.

136018932440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50904 (or 50900 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 136018932440 in words is "one hundred thirty-six billion, eighteen million, nine hundred thirty-two thousand, four hundred forty".