136989040515 has 16 divisors (see below), whose sum is σ = 222453846528. Its totient is φ = 71970361056.

The previous prime is 136989040499. The next prime is 136989040541. The reversal of 136989040515 is 515040989631.

It is not a de Polignac number, because 136989040515 - 2⁴ = 136989040499 is a prime.

It is a super-2 number, since 2×136989040515² (a number of 23 digits) contains 22 as substring.

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, 68152747 + ... + 68154756.

It is an arithmetic number, because the mean of its divisors is an integer number (13903365408).

Almost surely, 2^136989040515 is an apocalyptic number.

136989040515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

136989040515 is a deficient number, since it is larger than the sum of its proper divisors (85464806013).

136989040515 is a wasteful number, since it uses less digits than its factorization.

136989040515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136307578.

The product of its (nonzero) digits is 1166400, while the sum is 51.

The spelling of 136989040515 in words is "one hundred thirty-six billion, nine hundred eighty-nine million, forty thousand, five hundred fifteen".