136502542165 has 16 divisors (see below), whose sum is σ = 178756341120. Its totient is φ = 99240073920.

The previous prime is 136502542157. The next prime is 136502542171. The reversal of 136502542165 is 561245205631.

It is not a de Polignac number, because 136502542165 - 2³ = 136502542157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271050 + ... + 588619.

It is an arithmetic number, because the mean of its divisors is an integer number (11172271320).

Almost surely, 2^136502542165 is an apocalyptic number.

It is an amenable number.

136502542165 is a deficient number, since it is larger than the sum of its proper divisors (42253798955).

136502542165 is a wasteful number, since it uses less digits than its factorization.

136502542165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862572.

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 136502542165 its reverse (561245205631), we get a palindrome (697747747796).

The spelling of 136502542165 in words is "one hundred thirty-six billion, five hundred two million, five hundred forty-two thousand, one hundred sixty-five".