136533245640 has 128 divisors (see below), whose sum is σ = 458912891520. Its totient is φ = 32204390400.

The previous prime is 136533245581. The next prime is 136533245659. The reversal of 136533245640 is 46542335631.

It is a junction number, because it is equal to n+sod(n) for n = 136533245592 and 136533245601.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1348921 + ... + 1446600.

It is an arithmetic number, because the mean of its divisors is an integer number (3585256965).

Almost surely, 2^136533245640 is an apocalyptic number.

136533245640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136533245640 is an abundant number, since it is smaller than the sum of its proper divisors (322379645880).

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

136533245640 is a wasteful number, since it uses less digits than its factorization.

136533245640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795583 (or 2795579 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 136533245640 in words is "one hundred thirty-six billion, five hundred thirty-three million, two hundred forty-five thousand, six hundred forty".