133540734860 has 24 divisors (see below), whose sum is σ = 302007508656. Its totient is φ = 49307348160.

The previous prime is 133540734827. The next prime is 133540734923. The reversal of 133540734860 is 68437045331.

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, 256808846 + ... + 256809365.

It is an arithmetic number, because the mean of its divisors is an integer number (12583646194).

Almost surely, 2^133540734860 is an apocalyptic number.

133540734860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133540734860 is an abundant number, since it is smaller than the sum of its proper divisors (168466773796).

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

133540734860 is a wasteful number, since it uses less digits than its factorization.

133540734860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513618233 (or 513618231 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 133540734860 in words is "one hundred thirty-three billion, five hundred forty million, seven hundred thirty-four thousand, eight hundred sixty".