133820715156 has 24 divisors (see below), whose sum is σ = 313435598784. Its totient is φ = 44437296000.

The previous prime is 133820715131. The next prime is 133820715199. The reversal of 133820715156 is 651517028331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21197845 + ... + 21204156.

It is an arithmetic number, because the mean of its divisors is an integer number (13059816616).

Almost surely, 2^133820715156 is an apocalyptic number.

It is an amenable number.

133820715156 is an abundant number, since it is smaller than the sum of its proper divisors (179614883628).

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

133820715156 is a wasteful number, since it uses less digits than its factorization.

133820715156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42402271 (or 42402269 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 42.

The spelling of 133820715156 in words is "one hundred thirty-three billion, eight hundred twenty million, seven hundred fifteen thousand, one hundred fifty-six".