135983790980 has 12 divisors (see below), whose sum is σ = 285565961100. Its totient is φ = 54393516384.

The previous prime is 135983790977. The next prime is 135983791033. The reversal of 135983790980 is 89097389531.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 76521943876 + 59461847104 = 276626^2 + 243848^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3399594755 + ... + 3399594794.

It is an arithmetic number, because the mean of its divisors is an integer number (23797163425).

Almost surely, 2^135983790980 is an apocalyptic number.

135983790980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135983790980 is an abundant number, since it is smaller than the sum of its proper divisors (149582170120).

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

135983790980 is a wasteful number, since it uses less digits than its factorization.

135983790980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6799189558 (or 6799189556 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 62.

The spelling of 135983790980 in words is "one hundred thirty-five billion, nine hundred eighty-three million, seven hundred ninety thousand, nine hundred eighty".