130940739840 has 72 divisors (see below), whose sum is σ = 418192000128. Its totient is φ = 34917529600.

The previous prime is 130940739833. The next prime is 130940739877. The reversal of 130940739840 is 48937049031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 130940739840.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17045736 + ... + 17053415.

It is an arithmetic number, because the mean of its divisors is an integer number (5808222224).

Almost surely, 2^130940739840 is an apocalyptic number.

130940739840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130940739840 is an abundant number, since it is smaller than the sum of its proper divisors (287251260288).

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

130940739840 is an equidigital number, since it uses as much as digits as its factorization.

130940739840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34099175 (or 34099161 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 130940739840 in words is "one hundred thirty billion, nine hundred forty million, seven hundred thirty-nine thousand, eight hundred forty".