137565713 has 2 divisors, whose sum is σ = 137565714. Its totient is φ = 137565712.

The previous prime is 137565697. The next prime is 137565733. The reversal of 137565713 is 317565731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88887184 + 48678529 = 9428^2 + 6977^2 .

It is a cyclic number.

It is not a de Polignac number, because 137565713 - 2⁴ = 137565697 is a prime.

It is not a weakly prime, because it can be changed into another prime (137565733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68782856 + 68782857.

It is an arithmetic number, because the mean of its divisors is an integer number (68782857).

Almost surely, 2^137565713 is an apocalyptic number.

It is an amenable number.

137565713 is a deficient number, since it is larger than the sum of its proper divisors (1).

137565713 is an equidigital number, since it uses as much as digits as its factorization.

137565713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66150, while the sum is 38.

The square root of 137565713 is about 11728.8410765941. The cubic root of 137565713 is about 516.2222679340. Note that the first 4 decimals are identical.

The spelling of 137565713 in words is "one hundred thirty-seven million, five hundred sixty-five thousand, seven hundred thirteen".