130156449920 has 192 divisors, whose sum is σ = 383249228760. Its totient is φ = 41999892480.

The previous prime is 130156449889. The next prime is 130156449923. The reversal of 130156449920 is 29944651031.

It can be written as a sum of positive squares in 4 ways, for example, as 116575810624 + 13580639296 = 341432^2 + 116536^2 .

It is not an unprimeable number, because it can be changed into a prime (130156449923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411050 + ... + 655190.

Almost surely, 2^130156449920 is an apocalyptic number.

130156449920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130156449920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191624614380).

130156449920 is an abundant number, since it is smaller than the sum of its proper divisors (253092778840).

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

130156449920 is a wasteful number, since it uses less digits than its factorization.

130156449920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244191 (or 244172 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 130156449920 in words is "one hundred thirty billion, one hundred fifty-six million, four hundred forty-nine thousand, nine hundred twenty".