136963815 has 32 divisors (see below), whose sum is σ = 237447936. Its totient is φ = 67146240.

The previous prime is 136963807. The next prime is 136963829. The reversal of 136963815 is 518369631.

It is a happy number.

It is not a de Polignac number, because 136963815 - 2³ = 136963807 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4720 + ... + 17210.

It is an arithmetic number, because the mean of its divisors is an integer number (7420248).

Almost surely, 2^136963815 is an apocalyptic number.

136963815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136963815 is a deficient number, since it is larger than the sum of its proper divisors (100484121).

136963815 is a wasteful number, since it uses less digits than its factorization.

136963815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12559.

The product of its digits is 116640, while the sum is 42.

The square root of 136963815 is about 11703.1540620467. The cubic root of 136963815 is about 515.4682830249.

The spelling of 136963815 in words is "one hundred thirty-six million, nine hundred sixty-three thousand, eight hundred fifteen".