136839458 has 48 divisors (see below), whose sum is σ = 250241400. Its totient is φ = 55883520.

The previous prime is 136839433. The next prime is 136839503. The reversal of 136839458 is 854938631.

It can be written as a sum of positive squares in 4 ways, for example, as 93450889 + 43388569 = 9667^2 + 6587^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252668 + ... + 253208.

Almost surely, 2^136839458 is an apocalyptic number.

136839458 is a deficient number, since it is larger than the sum of its proper divisors (113401942).

136839458 is a wasteful number, since it uses less digits than its factorization.

136839458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 668 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 136839458 is about 11697.8398860644. The cubic root of 136839458 is about 515.3122284259.

The spelling of 136839458 in words is "one hundred thirty-six million, eight hundred thirty-nine thousand, four hundred fifty-eight".