135776709040 has 80 divisors (see below), whose sum is σ = 372416163840. Its totient is φ = 45050330880.

The previous prime is 135776708999. The next prime is 135776709041. The reversal of 135776709040 is 40907677531.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (135776709041) 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, 3893260 + ... + 3927979.

It is an arithmetic number, because the mean of its divisors is an integer number (4655202048).

Almost surely, 2^135776709040 is an apocalyptic number.

135776709040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

135776709040 is an abundant number, since it is smaller than the sum of its proper divisors (236639454800).

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

135776709040 is a wasteful number, since it uses less digits than its factorization.

135776709040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7821290 (or 7821284 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 49.

The spelling of 135776709040 in words is "one hundred thirty-five billion, seven hundred seventy-six million, seven hundred nine thousand, forty".