137668882 has 8 divisors (see below), whose sum is σ = 222388236. Its totient is φ = 63539472.

The previous prime is 137668879. The next prime is 137668901. The reversal of 137668882 is 288866731.

It can be written as a sum of positive squares in 2 ways, for example, as 125910841 + 11758041 = 11221^2 + 3429^2 .

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

It is a super-2 number, since 2×137668882² = 37905442142259848, which contains 22 as substring.

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, 2647453 + ... + 2647504.

Almost surely, 2^137668882 is an apocalyptic number.

137668882 is a deficient number, since it is larger than the sum of its proper divisors (84719354).

137668882 is a wasteful number, since it uses less digits than its factorization.

137668882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5294972.

The product of its digits is 774144, while the sum is 49.

The square root of 137668882 is about 11733.2383424185. The cubic root of 137668882 is about 516.3512846434.

The spelling of 137668882 in words is "one hundred thirty-seven million, six hundred sixty-eight thousand, eight hundred eighty-two".