136465615 has 24 divisors (see below), whose sum is σ = 193856544. Its totient is φ = 91608000.

The previous prime is 136465591. The next prime is 136465633. The reversal of 136465615 is 516564631.

It is not a de Polignac number, because 136465615 - 2¹⁵ = 136432847 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 811 + ... + 16540.

It is an arithmetic number, because the mean of its divisors is an integer number (8077356).

Almost surely, 2^136465615 is an apocalyptic number.

136465615 is a deficient number, since it is larger than the sum of its proper divisors (57390929).

136465615 is a wasteful number, since it uses less digits than its factorization.

136465615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17391 (or 17380 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 136465615 is about 11681.8498107106. The cubic root of 136465615 is about 514.8425257684.

The spelling of 136465615 in words is "one hundred thirty-six million, four hundred sixty-five thousand, six hundred fifteen".