137910939 has 8 divisors (see below), whose sum is σ = 183954240. Its totient is φ = 91904136.

The previous prime is 137910937. The next prime is 137910947. The reversal of 137910939 is 939019731.

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

It is not a de Polignac number, because 137910939 - 2¹ = 137910937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 137910939.

It is not an unprimeable number, because it can be changed into a prime (137910931) by changing a digit.

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, 1444 + ... + 16670.

It is an arithmetic number, because the mean of its divisors is an integer number (22994280).

Almost surely, 2^137910939 is an apocalyptic number.

137910939 is a deficient number, since it is larger than the sum of its proper divisors (46043301).

137910939 is a wasteful number, since it uses less digits than its factorization.

137910939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18249.

The product of its (nonzero) digits is 45927, while the sum is 42.

The square root of 137910939 is about 11743.5488247804. The cubic root of 137910939 is about 516.6537331946.

The spelling of 137910939 in words is "one hundred thirty-seven million, nine hundred ten thousand, nine hundred thirty-nine".