137373729 has 16 divisors (see below), whose sum is σ = 184968000. Its totient is φ = 90686016.

The previous prime is 137373707. The next prime is 137373737. The reversal of 137373729 is 927373731.

It is not a de Polignac number, because 137373729 - 2⁵ = 137373697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (137373749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187047 + ... + 187779.

It is an arithmetic number, because the mean of its divisors is an integer number (11560500).

Almost surely, 2^137373729 is an apocalyptic number.

It is an amenable number.

137373729 is a deficient number, since it is larger than the sum of its proper divisors (47594271).

137373729 is a wasteful number, since it uses less digits than its factorization.

137373729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264.

The product of its digits is 166698, while the sum is 42.

The square root of 137373729 is about 11720.6539493323. The cubic root of 137373729 is about 515.9820129239.

The spelling of 137373729 in words is "one hundred thirty-seven million, three hundred seventy-three thousand, seven hundred twenty-nine".