133139788725 has 12 divisors (see below), whose sum is σ = 220124450816. Its totient is φ = 71007887280.

The previous prime is 133139788723. The next prime is 133139788729. The reversal of 133139788725 is 527887931331.

It is a happy number.

It is not a de Polignac number, because 133139788725 - 2¹ = 133139788723 is a prime.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133139788723) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 887598517 + ... + 887598666.

Almost surely, 2^133139788725 is an apocalyptic number.

133139788725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133139788725 is a deficient number, since it is larger than the sum of its proper divisors (86984662091).

133139788725 is a wasteful number, since it uses less digits than its factorization.

133139788725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775197196 (or 1775197191 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 57.

The spelling of 133139788725 in words is "one hundred thirty-three billion, one hundred thirty-nine million, seven hundred eighty-eight thousand, seven hundred twenty-five".