130391520 has 192 divisors, whose sum is σ = 474356736. Its totient is φ = 29491200.

The previous prime is 130391519. The next prime is 130391551. The reversal of 130391520 is 25193031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 507232 + ... + 507488.

It is an arithmetic number, because the mean of its divisors is an integer number (2470608).

Almost surely, 2^130391520 is an apocalyptic number.

130391520 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 130391520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237178368).

130391520 is an abundant number, since it is smaller than the sum of its proper divisors (343965216).

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

130391520 is a wasteful number, since it uses less digits than its factorization.

130391520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 425 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 130391520 is about 11418.9106310541. The cubic root of 130391520 is about 507.0877462903.

The spelling of 130391520 in words is "one hundred thirty million, three hundred ninety-one thousand, five hundred twenty".