137939315 has 8 divisors (see below), whose sum is σ = 165649968. Its totient is φ = 110269600.

The previous prime is 137939279. The next prime is 137939357. The reversal of 137939315 is 513939731.

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

It is not a de Polignac number, because 137939315 - 2⁶ = 137939251 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2252 + ... + 16761.

It is an arithmetic number, because the mean of its divisors is an integer number (20706246).

Almost surely, 2^137939315 is an apocalyptic number.

137939315 is a deficient number, since it is larger than the sum of its proper divisors (27710653).

137939315 is a wasteful number, since it uses less digits than its factorization.

137939315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20469.

The product of its digits is 76545, while the sum is 41.

The square root of 137939315 is about 11744.7569153218. The cubic root of 137939315 is about 516.6891656291.

The spelling of 137939315 in words is "one hundred thirty-seven million, nine hundred thirty-nine thousand, three hundred fifteen".