133572971725 has 24 divisors (see below), whose sum is σ = 166140259200. Its totient is φ = 106530016320.

The previous prime is 133572971713. The next prime is 133572971759. The reversal of 133572971725 is 527179275331.

It is not a de Polignac number, because 133572971725 - 2²⁵ = 133539417293 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11330184 + ... + 11341966.

It is an arithmetic number, because the mean of its divisors is an integer number (6922510800).

Almost surely, 2^133572971725 is an apocalyptic number.

It is an amenable number.

133572971725 is a deficient number, since it is larger than the sum of its proper divisors (32567287475).

133572971725 is a wasteful number, since it uses less digits than its factorization.

133572971725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13149 (or 13144 counting only the distinct ones).

The product of its digits is 2778300, while the sum is 52.

The spelling of 133572971725 in words is "one hundred thirty-three billion, five hundred seventy-two million, nine hundred seventy-one thousand, seven hundred twenty-five".