137958994 has 8 divisors (see below), whose sum is σ = 207008640. Its totient is φ = 68956116.

The previous prime is 137958983. The next prime is 137959001. The reversal of 137958994 is 499859731.

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

It is an unprimeable number.

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, 3034 + ... + 16885.

It is an arithmetic number, because the mean of its divisors is an integer number (25876080).

Almost surely, 2^137958994 is an apocalyptic number.

137958994 is a deficient number, since it is larger than the sum of its proper divisors (69049646).

137958994 is a wasteful number, since it uses less digits than its factorization.

137958994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23384.

The product of its digits is 2449440, while the sum is 55.

The square root of 137958994 is about 11745.5946635324. The cubic root of 137958994 is about 516.7137354737.

The spelling of 137958994 in words is "one hundred thirty-seven million, nine hundred fifty-eight thousand, nine hundred ninety-four".