137251428 has 24 divisors (see below), whose sum is σ = 321588960. Its totient is φ = 45559680.

The previous prime is 137251427. The next prime is 137251469. The reversal of 137251428 is 824152731.

It is not an unprimeable number, because it can be changed into a prime (137251427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20838 + ... + 26621.

It is an arithmetic number, because the mean of its divisors is an integer number (13399540).

Almost surely, 2^137251428 is an apocalyptic number.

It is an amenable number.

137251428 is an abundant number, since it is smaller than the sum of its proper divisors (184337532).

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

137251428 is a wasteful number, since it uses less digits than its factorization.

137251428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47707 (or 47705 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 137251428 is about 11715.4354592563. The cubic root of 137251428 is about 515.8288447430.

The spelling of 137251428 in words is "one hundred thirty-seven million, two hundred fifty-one thousand, four hundred twenty-eight".