136813478 has 8 divisors (see below), whose sum is σ = 211840320. Its totient is φ = 66200040.

The previous prime is 136813463. The next prime is 136813483. The reversal of 136813478 is 874318631.

136813478 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 Curzon number.

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, 1103273 + ... + 1103396.

It is an arithmetic number, because the mean of its divisors is an integer number (26480040).

Almost surely, 2^136813478 is an apocalyptic number.

136813478 is a deficient number, since it is larger than the sum of its proper divisors (75026842).

136813478 is a wasteful number, since it uses less digits than its factorization.

136813478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2206702.

The product of its digits is 96768, while the sum is 41.

The square root of 136813478 is about 11696.7293719227. The cubic root of 136813478 is about 515.2796143947.

The spelling of 136813478 in words is "one hundred thirty-six million, eight hundred thirteen thousand, four hundred seventy-eight".