136684674 has 24 divisors (see below), whose sum is σ = 338457600. Its totient is φ = 39052728.

The previous prime is 136684661. The next prime is 136684729. The reversal of 136684674 is 476486631.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 542274 + ... + 542525.

It is an arithmetic number, because the mean of its divisors is an integer number (14102400).

Almost surely, 2^136684674 is an apocalyptic number.

136684674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

136684674 is an abundant number, since it is smaller than the sum of its proper divisors (201772926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136684674 is a wasteful number, since it uses less digits than its factorization.

136684674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084814 (or 1084811 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 136684674 is about 11691.2220918089. Note that the first 3 decimals coincide. The cubic root of 136684674 is about 515.1178590972.

The spelling of 136684674 in words is "one hundred thirty-six million, six hundred eighty-four thousand, six hundred seventy-four".