135959905770 has 64 divisors (see below), whose sum is σ = 351534484224. Its totient is φ = 33454632960.

The previous prime is 135959905769. The next prime is 135959905787. The reversal of 135959905770 is 77509959531.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1010355 + ... + 1136985.

It is an arithmetic number, because the mean of its divisors is an integer number (5492726316).

Almost surely, 2^135959905770 is an apocalyptic number.

135959905770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

135959905770 is an abundant number, since it is smaller than the sum of its proper divisors (215574578454).

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

135959905770 is a wasteful number, since it uses less digits than its factorization.

135959905770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129407.

The product of its (nonzero) digits is 13395375, while the sum is 60.

The spelling of 135959905770 in words is "one hundred thirty-five billion, nine hundred fifty-nine million, nine hundred five thousand, seven hundred seventy".