137299928 has 32 divisors (see below), whose sum is σ = 274276800. Its totient is φ = 64247328.

The previous prime is 137299913. The next prime is 137299931. The reversal of 137299928 is 829992731.

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 7 ways as a sum of consecutive naturals, for example, 7175 + ... + 18057.

It is an arithmetic number, because the mean of its divisors is an integer number (8571150).

Almost surely, 2^137299928 is an apocalyptic number.

It is an amenable number.

137299928 is a deficient number, since it is larger than the sum of its proper divisors (136976872).

137299928 is a wasteful number, since it uses less digits than its factorization.

137299928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10991 (or 10987 counting only the distinct ones).

The product of its digits is 489888, while the sum is 50.

The square root of 137299928 is about 11717.5051952197. The cubic root of 137299928 is about 515.8895963945.

The spelling of 137299928 in words is "one hundred thirty-seven million, two hundred ninety-nine thousand, nine hundred twenty-eight".