136244980 has 48 divisors (see below), whose sum is σ = 295384320. Its totient is φ = 52760448.

The previous prime is 136244971. The next prime is 136244981. The reversal of 136244980 is 89442631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136244981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82927 + ... + 84553.

It is an arithmetic number, because the mean of its divisors is an integer number (6153840).

Almost surely, 2^136244980 is an apocalyptic number.

136244980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

136244980 is an abundant number, since it is smaller than the sum of its proper divisors (159139340).

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

136244980 is a wasteful number, since it uses less digits than its factorization.

136244980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1768 (or 1766 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 136244980 is about 11672.4024947737. The cubic root of 136244980 is about 514.5649135810.

The spelling of 136244980 in words is "one hundred thirty-six million, two hundred forty-four thousand, nine hundred eighty".