136297749508 has 24 divisors (see below), whose sum is σ = 241507159992. Its totient is φ = 67300859904.

The previous prime is 136297749487. The next prime is 136297749517. The reversal of 136297749508 is 805947792631.

It can be written as a sum of positive squares in 4 ways, for example, as 636653824 + 135661095684 = 25232^2 + 368322^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 538585 + ... + 750112.

It is an arithmetic number, because the mean of its divisors is an integer number (10062798333).

It is a 1-persistent number, because it is pandigital, but 2⋅136297749508 = 272595499016 is not.

Almost surely, 2^136297749508 is an apocalyptic number.

It is an amenable number.

136297749508 is a deficient number, since it is larger than the sum of its proper divisors (105209410484).

136297749508 is a wasteful number, since it uses less digits than its factorization.

136297749508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289031 (or 1289029 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 61.

The spelling of 136297749508 in words is "one hundred thirty-six billion, two hundred ninety-seven million, seven hundred forty-nine thousand, five hundred eight".