137858404 has 12 divisors (see below), whose sum is σ = 243466300. Its totient is φ = 68296608.

The previous prime is 137858401. The next prime is 137858443. The reversal of 137858404 is 404858731.

It can be written as a sum of positive squares in 2 ways, for example, as 106048804 + 31809600 = 10298^2 + 5640^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (137858401) 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 3 ways as a sum of consecutive naturals, for example, 157659 + ... + 158530.

Almost surely, 2^137858404 is an apocalyptic number.

It is an amenable number.

137858404 is a deficient number, since it is larger than the sum of its proper divisors (105607896).

137858404 is a wasteful number, since it uses less digits than its factorization.

137858404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316302 (or 316300 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 137858404 is about 11741.3118517481. The cubic root of 137858404 is about 516.5881211619.

The spelling of 137858404 in words is "one hundred thirty-seven million, eight hundred fifty-eight thousand, four hundred four".