136678654 has 16 divisors (see below), whose sum is σ = 236628576. Its totient is φ = 57996000.

The previous prime is 136678643. The next prime is 136678667. The reversal of 136678654 is 456876631.

136678654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46917 + ... + 49744.

It is an arithmetic number, because the mean of its divisors is an integer number (14789286).

Almost surely, 2^136678654 is an apocalyptic number.

136678654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

136678654 is a deficient number, since it is larger than the sum of its proper divisors (99949922).

136678654 is a wasteful number, since it uses less digits than its factorization.

136678654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96771.

The product of its digits is 725760, while the sum is 46.

The square root of 136678654 is about 11690.9646308592. The cubic root of 136678654 is about 515.1102965447.

The spelling of 136678654 in words is "one hundred thirty-six million, six hundred seventy-eight thousand, six hundred fifty-four".