137664713 has 4 divisors (see below), whose sum is σ = 139323408. Its totient is φ = 136006020.

The previous prime is 137664701. The next prime is 137664719. The reversal of 137664713 is 317466731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 137664713 - 2⁴ = 137664697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137664719) 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 3 ways as a sum of consecutive naturals, for example, 829223 + ... + 829388.

It is an arithmetic number, because the mean of its divisors is an integer number (34830852).

Almost surely, 2^137664713 is an apocalyptic number.

It is an amenable number.

137664713 is a deficient number, since it is larger than the sum of its proper divisors (1658695).

137664713 is an equidigital number, since it uses as much as digits as its factorization.

137664713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1658694.

The product of its digits is 63504, while the sum is 38.

The square root of 137664713 is about 11733.0606833852. The cubic root of 137664713 is about 516.3460724023.

The spelling of 137664713 in words is "one hundred thirty-seven million, six hundred sixty-four thousand, seven hundred thirteen".