136718940 has 24 divisors (see below), whose sum is σ = 382813200. Its totient is φ = 36458368.

The previous prime is 136718909. The next prime is 136718941. The reversal of 136718940 is 49817631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136718941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1139265 + ... + 1139384.

It is an arithmetic number, because the mean of its divisors is an integer number (15950550).

Almost surely, 2^136718940 is an apocalyptic number.

136718940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136718940 is an abundant number, since it is smaller than the sum of its proper divisors (246094260).

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

136718940 is a wasteful number, since it uses less digits than its factorization.

136718940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278661 (or 2278659 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 136718940 is about 11692.6874584075. The cubic root of 136718940 is about 515.1609011180.

The spelling of 136718940 in words is "one hundred thirty-six million, seven hundred eighteen thousand, nine hundred forty".