137791475128 has 16 divisors (see below), whose sum is σ = 258451427880. Its totient is φ = 68871094368.

The previous prime is 137791475117. The next prime is 137791475137. The reversal of 137791475128 is 821574197731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3056626 + ... + 3101377.

Almost surely, 2^137791475128 is an apocalyptic number.

It is an amenable number.

137791475128 is a deficient number, since it is larger than the sum of its proper divisors (120659952752).

137791475128 is a wasteful number, since it uses less digits than its factorization.

137791475128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6160806 (or 6160802 counting only the distinct ones).

The product of its digits is 2963520, while the sum is 55.

The spelling of 137791475128 in words is "one hundred thirty-seven billion, seven hundred ninety-one million, four hundred seventy-five thousand, one hundred twenty-eight".