137679394 has 8 divisors (see below), whose sum is σ = 211556268. Its totient is φ = 67160640.

The previous prime is 137679371. The next prime is 137679419. The reversal of 137679394 is 493976731.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 132549169 + 5130225 = 11513^2 + 2265^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839427 + ... + 839590.

Almost surely, 2^137679394 is an apocalyptic number.

137679394 is a deficient number, since it is larger than the sum of its proper divisors (73876874).

137679394 is a wasteful number, since it uses less digits than its factorization.

137679394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679060.

The product of its digits is 857304, while the sum is 49.

The square root of 137679394 is about 11733.6862920397. The cubic root of 137679394 is about 516.3644266754.

The spelling of 137679394 in words is "one hundred thirty-seven million, six hundred seventy-nine thousand, three hundred ninety-four".