133880125892 has 6 divisors (see below), whose sum is σ = 234290220318. Its totient is φ = 66940062944.

The previous prime is 133880125867. The next prime is 133880125913. The reversal of 133880125892 is 298521088331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 133629726916 + 250398976 = 365554^2 + 15824^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133880125892.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16735015733 + ... + 16735015740.

It is an arithmetic number, because the mean of its divisors is an integer number (39048370053).

Almost surely, 2^133880125892 is an apocalyptic number.

It is an amenable number.

133880125892 is a deficient number, since it is larger than the sum of its proper divisors (100410094426).

133880125892 is a wasteful number, since it uses less digits than its factorization.

133880125892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33470031477 (or 33470031475 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 133880125892 in words is "one hundred thirty-three billion, eight hundred eighty million, one hundred twenty-five thousand, eight hundred ninety-two".