137889133428 has 48 divisors (see below), whose sum is σ = 338703966720. Its totient is φ = 43540221024.

The previous prime is 137889133427. The next prime is 137889133471. The reversal of 137889133428 is 824331988731.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137889133427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4084225 + ... + 4117847.

It is an arithmetic number, because the mean of its divisors is an integer number (7056332640).

Almost surely, 2^137889133428 is an apocalyptic number.

It is an amenable number.

137889133428 is an abundant number, since it is smaller than the sum of its proper divisors (200814833292).

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

137889133428 is a wasteful number, since it uses less digits than its factorization.

137889133428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51636 (or 51634 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 57.

The spelling of 137889133428 in words is "one hundred thirty-seven billion, eight hundred eighty-nine million, one hundred thirty-three thousand, four hundred twenty-eight".