137015381 has 4 divisors (see below), whose sum is σ = 141435264. Its totient is φ = 132595500.

The previous prime is 137015377. The next prime is 137015383. The reversal of 137015381 is 183510731.

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 137015381 - 2² = 137015377 is a prime.

It is a super-2 number, since 2×137015381² = 37546429261150322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137015383) 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, 2209895 + ... + 2209956.

It is an arithmetic number, because the mean of its divisors is an integer number (35358816).

Almost surely, 2^137015381 is an apocalyptic number.

It is an amenable number.

137015381 is a deficient number, since it is larger than the sum of its proper divisors (4419883).

137015381 is an equidigital number, since it uses as much as digits as its factorization.

137015381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4419882.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 137015381 is about 11705.3569360357. The cubic root of 137015381 is about 515.5329650782.

The spelling of 137015381 in words is "one hundred thirty-seven million, fifteen thousand, three hundred eighty-one".