135977669580 has 48 divisors (see below), whose sum is σ = 381552837120. Its totient is φ = 36183058368.

The previous prime is 135977669567. The next prime is 135977669591. The reversal of 135977669580 is 85966779531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2398420 + ... + 2454459.

It is an arithmetic number, because the mean of its divisors is an integer number (7949017440).

Almost surely, 2^135977669580 is an apocalyptic number.

135977669580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135977669580 is an abundant number, since it is smaller than the sum of its proper divisors (245575167540).

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

135977669580 is a wasteful number, since it uses less digits than its factorization.

135977669580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4853358 (or 4853356 counting only the distinct ones).

The product of its (nonzero) digits is 85730400, while the sum is 66.

The spelling of 135977669580 in words is "one hundred thirty-five billion, nine hundred seventy-seven million, six hundred sixty-nine thousand, five hundred eighty".