137325751 has 4 divisors (see below), whose sum is σ = 137452032. Its totient is φ = 137199472.

The previous prime is 137325733. The next prime is 137325767. The reversal of 137325751 is 157523731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 157523731 = 8111 ⋅19421.

It is a cyclic number.

It is not a de Polignac number, because 137325751 - 2⁵ = 137325719 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137325791) 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, 61495 + ... + 63688.

It is an arithmetic number, because the mean of its divisors is an integer number (34363008).

Almost surely, 2^137325751 is an apocalyptic number.

137325751 is a deficient number, since it is larger than the sum of its proper divisors (126281).

137325751 is a wasteful number, since it uses less digits than its factorization.

137325751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126280.

The product of its digits is 22050, while the sum is 34.

The square root of 137325751 is about 11718.6070417947. The cubic root of 137325751 is about 515.9219367415.

The spelling of 137325751 in words is "one hundred thirty-seven million, three hundred twenty-five thousand, seven hundred fifty-one".