137739317 has 2 divisors, whose sum is σ = 137739318. Its totient is φ = 137739316.

The previous prime is 137739307. The next prime is 137739359. The reversal of 137739317 is 713937731.

137739317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69989956 + 67749361 = 8366^2 + 8231^2 .

It is a cyclic number.

It is not a de Polignac number, because 137739317 - 2⁸ = 137739061 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (137739307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68869658 + 68869659.

It is an arithmetic number, because the mean of its divisors is an integer number (68869659).

Almost surely, 2^137739317 is an apocalyptic number.

It is an amenable number.

137739317 is a deficient number, since it is larger than the sum of its proper divisors (1).

137739317 is an equidigital number, since it uses as much as digits as its factorization.

137739317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 83349, while the sum is 41.

The square root of 137739317 is about 11736.2394743802. The cubic root of 137739317 is about 516.4393292363.

The spelling of 137739317 in words is "one hundred thirty-seven million, seven hundred thirty-nine thousand, three hundred seventeen".