136102540 has 24 divisors (see below), whose sum is σ = 326646432. Its totient is φ = 46663680.

The previous prime is 136102531. The next prime is 136102541. The reversal of 136102540 is 45201631.

It is not an unprimeable number, because it can be changed into a prime (136102541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485941 + ... + 486220.

It is an arithmetic number, because the mean of its divisors is an integer number (13610268).

Almost surely, 2^136102540 is an apocalyptic number.

136102540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136102540 is an abundant number, since it is smaller than the sum of its proper divisors (190543892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

136102540 is a wasteful number, since it uses less digits than its factorization.

136102540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972177 (or 972175 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 136102540 is about 11666.2993275503. The cubic root of 136102540 is about 514.3855303759.

Subtracting from 136102540 its reverse (45201631), we obtain a palindrome (90900909).

The spelling of 136102540 in words is "one hundred thirty-six million, one hundred two thousand, five hundred forty".