135017805940 has 24 divisors (see below), whose sum is σ = 283547474280. Its totient is φ = 54005202048.

The previous prime is 135017805847. The next prime is 135017805941. The reversal of 135017805940 is 49508710531.

It can be written as a sum of positive squares in 4 ways, for example, as 37551463524 + 97466342416 = 193782^2 + 312196^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135017805941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546906 + ... + 754414.

It is an arithmetic number, because the mean of its divisors is an integer number (11814478095).

Almost surely, 2^135017805940 is an apocalyptic number.

135017805940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135017805940 is an abundant number, since it is smaller than the sum of its proper divisors (148529668340).

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

135017805940 is a wasteful number, since it uses less digits than its factorization.

135017805940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240051 (or 240049 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 135017805940 in words is "one hundred thirty-five billion, seventeen million, eight hundred five thousand, nine hundred forty".