133515034720 has 24 divisors (see below), whose sum is σ = 315429269904. Its totient is φ = 53406013824.

The previous prime is 133515034717. The next prime is 133515034739. The reversal of 133515034720 is 27430515331.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417234324 + ... + 417234643.

It is an arithmetic number, because the mean of its divisors is an integer number (13142886246).

Almost surely, 2^133515034720 is an apocalyptic number.

133515034720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133515034720 is an abundant number, since it is smaller than the sum of its proper divisors (181914235184).

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

133515034720 is an equidigital number, since it uses as much as digits as its factorization.

133515034720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834468982 (or 834468974 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The spelling of 133515034720 in words is "one hundred thirty-three billion, five hundred fifteen million, thirty-four thousand, seven hundred twenty".