136674638 has 8 divisors (see below), whose sum is σ = 215802120. Its totient is φ = 64740600.

The previous prime is 136674613. The next prime is 136674647. The reversal of 136674638 is 836476631.

136674638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

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, 1798313 + ... + 1798388.

It is an arithmetic number, because the mean of its divisors is an integer number (26975265).

Almost surely, 2^136674638 is an apocalyptic number.

136674638 is a deficient number, since it is larger than the sum of its proper divisors (79127482).

136674638 is a wasteful number, since it uses less digits than its factorization.

136674638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3596722.

The product of its digits is 435456, while the sum is 44.

The square root of 136674638 is about 11690.7928730262. The cubic root of 136674638 is about 515.1052513697.

The spelling of 136674638 in words is "one hundred thirty-six million, six hundred seventy-four thousand, six hundred thirty-eight".