136764615 has 16 divisors (see below), whose sum is σ = 235656288. Its totient is φ = 67330176.

The previous prime is 136764611. The next prime is 136764671. The reversal of 136764615 is 516467631.

136764615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 136764615 - 2² = 136764611 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136764611) 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, 350484 + ... + 350873.

It is an arithmetic number, because the mean of its divisors is an integer number (14728518).

Almost surely, 2^136764615 is an apocalyptic number.

136764615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136764615 is a deficient number, since it is larger than the sum of its proper divisors (98891673).

136764615 is a wasteful number, since it uses less digits than its factorization.

136764615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701378.

The product of its digits is 90720, while the sum is 39.

The square root of 136764615 is about 11694.6404391071. The cubic root of 136764615 is about 515.2182629689.

The spelling of 136764615 in words is "one hundred thirty-six million, seven hundred sixty-four thousand, six hundred fifteen".