137039956 has 6 divisors (see below), whose sum is σ = 239819930. Its totient is φ = 68519976.

The previous prime is 137039953. The next prime is 137039963. The reversal of 137039956 is 659930731.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 135349956 + 1690000 = 11634^2 + 1300^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137039953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17129991 + ... + 17129998.

Almost surely, 2^137039956 is an apocalyptic number.

It is an amenable number.

137039956 is a deficient number, since it is larger than the sum of its proper divisors (102779974).

137039956 is a wasteful number, since it uses less digits than its factorization.

137039956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34259993 (or 34259991 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 43.

The square root of 137039956 is about 11706.4066220169. The cubic root of 137039956 is about 515.5637851345.

The spelling of 137039956 in words is "one hundred thirty-seven million, thirty-nine thousand, nine hundred fifty-six".