136729015423 has 64 divisors (see below), whose sum is σ = 193149057024. Its totient is φ = 94068691200.

The previous prime is 136729015421. The next prime is 136729015427. The reversal of 136729015423 is 324510927631.

It is not a de Polignac number, because 136729015423 - 2¹ = 136729015421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136729015423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136729015421) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2761243 + ... + 2810323.

It is an arithmetic number, because the mean of its divisors is an integer number (3017954016).

Almost surely, 2^136729015423 is an apocalyptic number.

136729015423 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

136729015423 is a deficient number, since it is larger than the sum of its proper divisors (56420041601).

136729015423 is a wasteful number, since it uses less digits than its factorization.

136729015423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49157 (or 49135 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 136729015423 in words is "one hundred thirty-six billion, seven hundred twenty-nine million, fifteen thousand, four hundred twenty-three".