136042215634415 has 4 divisors (see below), whose sum is σ = 163250658761304. Its totient is φ = 108833772507528.

The previous prime is 136042215634399. The next prime is 136042215634447. The reversal of 136042215634415 is 514436512240631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 136042215634415 - 2⁴ = 136042215634399 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136042215634415.

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, 13604221563437 + ... + 13604221563446.

It is an arithmetic number, because the mean of its divisors is an integer number (40812664690326).

Almost surely, 2^{136042215634415} is an apocalyptic number.

136042215634415 is a deficient number, since it is larger than the sum of its proper divisors (27208443126889).

136042215634415 is an equidigital number, since it uses as much as digits as its factorization.

136042215634415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27208443126888.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 136042215634415 in words is "one hundred thirty-six trillion, forty-two billion, two hundred fifteen million, six hundred thirty-four thousand, four hundred fifteen".