136020423513 has 48 divisors (see below), whose sum is σ = 199901528640. Its totient is φ = 82208535552.

The previous prime is 136020423491. The next prime is 136020423533. The reversal of 136020423513 is 315324020631.

It is not a de Polignac number, because 136020423513 - 2²⁶ = 135953314649 is a prime.

It is a super-2 number, since 2×136020423513² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136020423533) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57222381 + ... + 57224757.

It is an arithmetic number, because the mean of its divisors is an integer number (4164615180).

Almost surely, 2^136020423513 is an apocalyptic number.

136020423513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

136020423513 is a deficient number, since it is larger than the sum of its proper divisors (63881105127).

136020423513 is a wasteful number, since it uses less digits than its factorization.

136020423513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378 (or 4365 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 136020423513 in words is "one hundred thirty-six billion, twenty million, four hundred twenty-three thousand, five hundred thirteen".