136401615835518 has 32 divisors (see below), whose sum is σ = 304524537685632. Its totient is φ = 40372571282400.

The previous prime is 136401615835481. The next prime is 136401615835531. The reversal of 136401615835518 is 815538516104631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24031289593 + ... + 24031295268.

It is an arithmetic number, because the mean of its divisors is an integer number (9516391802676).

Almost surely, 2^{136401615835518} is an apocalyptic number.

136401615835518 is an abundant number, since it is smaller than the sum of its proper divisors (168122921850114).

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

136401615835518 is a wasteful number, since it uses less digits than its factorization.

136401615835518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48062584920.

The product of its (nonzero) digits is 10368000, while the sum is 57.

The spelling of 136401615835518 in words is "one hundred thirty-six trillion, four hundred one billion, six hundred fifteen million, eight hundred thirty-five thousand, five hundred eighteen".