137404682 has 4 divisors (see below), whose sum is σ = 206107026. Its totient is φ = 68702340.

The previous prime is 137404681. The next prime is 137404703. The reversal of 137404682 is 286404731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110271001 + 27133681 = 10501^2 + 5209^2 .

It is a super-2 number, since 2×137404682² = 37760093271042248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (137404681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34351169 + ... + 34351172.

Almost surely, 2^137404682 is an apocalyptic number.

137404682 is a deficient number, since it is larger than the sum of its proper divisors (68702344).

137404682 is an equidigital number, since it uses as much as digits as its factorization.

137404682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68702343.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 137404682 is about 11721.9743217600. The cubic root of 137404682 is about 516.0207636418.

The spelling of 137404682 in words is "one hundred thirty-seven million, four hundred four thousand, six hundred eighty-two".