133539498672 has 20 divisors (see below), whose sum is σ = 344977038360. Its totient is φ = 44513166208.

The previous prime is 133539498667. The next prime is 133539498707. The reversal of 133539498672 is 276894935331.

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, 1391036397 + ... + 1391036492.

It is an arithmetic number, because the mean of its divisors is an integer number (17248851918).

Almost surely, 2^133539498672 is an apocalyptic number.

133539498672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133539498672 is an abundant number, since it is smaller than the sum of its proper divisors (211437539688).

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

133539498672 is a wasteful number, since it uses less digits than its factorization.

133539498672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782072900 (or 2782072894 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 60.

The spelling of 133539498672 in words is "one hundred thirty-three billion, five hundred thirty-nine million, four hundred ninety-eight thousand, six hundred seventy-two".