136516015 has 4 divisors (see below), whose sum is σ = 163819224. Its totient is φ = 109212808.

The previous prime is 136515997. The next prime is 136516027. The reversal of 136516015 is 510615631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 510615631 = 79 ⋅6463489.

It is a cyclic number.

It is not a de Polignac number, because 136516015 - 2⁹ = 136515503 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 3 ways as a sum of consecutive naturals, for example, 13651597 + ... + 13651606.

It is an arithmetic number, because the mean of its divisors is an integer number (40954806).

Almost surely, 2^136516015 is an apocalyptic number.

136516015 is a deficient number, since it is larger than the sum of its proper divisors (27303209).

136516015 is an equidigital number, since it uses as much as digits as its factorization.

136516015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27303208.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 136516015 is about 11684.0068041747. The cubic root of 136516015 is about 514.9058991673.

The spelling of 136516015 in words is "one hundred thirty-six million, five hundred sixteen thousand, fifteen".