136245515 has 12 divisors (see below), whose sum is σ = 186945744. Its totient is φ = 93378144.

The previous prime is 136245503. The next prime is 136245547. The reversal of 136245515 is 515542631.

It is a de Polignac number, because none of the positive numbers 2^k-136245515 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68069 + ... + 70041.

It is an arithmetic number, because the mean of its divisors is an integer number (15578812).

Almost surely, 2^136245515 is an apocalyptic number.

136245515 is a deficient number, since it is larger than the sum of its proper divisors (50700229).

136245515 is an frugal number, since it uses more digits than its factorization.

136245515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3958 (or 1985 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 136245515 is about 11672.4254120555. The cubic root of 136245515 is about 514.5655871027.

The spelling of 136245515 in words is "one hundred thirty-six million, two hundred forty-five thousand, five hundred fifteen".