136834915 has 16 divisors (see below), whose sum is σ = 189035712. Its totient is φ = 93141504.

The previous prime is 136834913. The next prime is 136834931. The reversal of 136834915 is 519438631.

It is a cyclic number.

It is not a de Polignac number, because 136834915 - 2¹ = 136834913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136834913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9474 + ... + 19063.

It is an arithmetic number, because the mean of its divisors is an integer number (11814732).

Almost surely, 2^136834915 is an apocalyptic number.

136834915 is a deficient number, since it is larger than the sum of its proper divisors (52200797).

136834915 is a wasteful number, since it uses less digits than its factorization.

136834915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28686.

The product of its digits is 77760, while the sum is 40.

The square root of 136834915 is about 11697.6457033029. The cubic root of 136834915 is about 515.3065256620.

The spelling of 136834915 in words is "one hundred thirty-six million, eight hundred thirty-four thousand, nine hundred fifteen".