137138757 has 8 divisors (see below), whose sum is σ = 208973376. Its totient is φ = 78364992.

The previous prime is 137138747. The next prime is 137138773. The reversal of 137138757 is 757831731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 137138757 - 2¹⁰ = 137137733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137138717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3265188 + ... + 3265229.

It is an arithmetic number, because the mean of its divisors is an integer number (26121672).

Almost surely, 2^137138757 is an apocalyptic number.

It is an amenable number.

137138757 is a deficient number, since it is larger than the sum of its proper divisors (71834619).

137138757 is an equidigital number, since it uses as much as digits as its factorization.

137138757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6530427.

The product of its digits is 123480, while the sum is 42.

The square root of 137138757 is about 11710.6258158990. The cubic root of 137138757 is about 515.6876565035.

The spelling of 137138757 in words is "one hundred thirty-seven million, one hundred thirty-eight thousand, seven hundred fifty-seven".