130344438990 has 32 divisors (see below), whose sum is σ = 312836996736. Its totient is φ = 34757367840.

The previous prime is 130344438977. The next prime is 130344439021. The reversal of 130344438990 is 99834443031.

It is a happy number.

It is a congruent number.

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, 1248549 + ... + 1348911.

It is an arithmetic number, because the mean of its divisors is an integer number (9776156148).

Almost surely, 2^130344438990 is an apocalyptic number.

130344438990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130344438990 is an abundant number, since it is smaller than the sum of its proper divisors (182492557746).

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

130344438990 is a wasteful number, since it uses less digits than its factorization.

130344438990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143664.

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 130344438990 in words is "one hundred thirty billion, three hundred forty-four million, four hundred thirty-eight thousand, nine hundred ninety".