137933713 has 4 divisors (see below), whose sum is σ = 139483620. Its totient is φ = 136383808.

The previous prime is 137933701. The next prime is 137933753. The reversal of 137933713 is 317339731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 317339731 = 17 ⋅18667043.

It can be written as a sum of positive squares in 2 ways, for example, as 44849809 + 93083904 = 6697^2 + 9648^2 .

It is a cyclic number.

It is not a de Polignac number, because 137933713 - 2¹³ = 137925521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (137933753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774820 + ... + 774997.

It is an arithmetic number, because the mean of its divisors is an integer number (34870905).

Almost surely, 2^137933713 is an apocalyptic number.

It is an amenable number.

137933713 is a deficient number, since it is larger than the sum of its proper divisors (1549907).

137933713 is an equidigital number, since it uses as much as digits as its factorization.

137933713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549906.

The product of its digits is 35721, while the sum is 37.

The square root of 137933713 is about 11744.5184235029. The cubic root of 137933713 is about 516.6821709303.

The spelling of 137933713 in words is "one hundred thirty-seven million, nine hundred thirty-three thousand, seven hundred thirteen".