136079985 has 24 divisors (see below), whose sum is σ = 231296256. Its totient is φ = 68304640.

The previous prime is 136079953. The next prime is 136080011. The reversal of 136079985 is 589970631.

It is not a de Polignac number, because 136079985 - 2⁵ = 136079953 is a prime.

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, 11361 + ... + 20030.

It is an arithmetic number, because the mean of its divisors is an integer number (9637344).

Almost surely, 2^136079985 is an apocalyptic number.

136079985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

136079985 is a deficient number, since it is larger than the sum of its proper divisors (95216271).

136079985 is a wasteful number, since it uses less digits than its factorization.

136079985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31433 (or 31416 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 136079985 is about 11665.3326142035. The cubic root of 136079985 is about 514.3571140397.

The spelling of 136079985 in words is "one hundred thirty-six million, seventy-nine thousand, nine hundred eighty-five".