130079730 has 128 divisors (see below), whose sum is σ = 355829760. Its totient is φ = 30159360.

The previous prime is 130079723. The next prime is 130079737. The reversal of 130079730 is 37970031.

It is an interprime number because it is at equal distance from previous prime (130079723) and next prime (130079737).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (130079737) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1262859 + ... + 1262961.

It is an arithmetic number, because the mean of its divisors is an integer number (2779920).

Almost surely, 2^130079730 is an apocalyptic number.

130079730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 130079730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177914880).

130079730 is an abundant number, since it is smaller than the sum of its proper divisors (225750030).

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

130079730 is a wasteful number, since it uses less digits than its factorization.

130079730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256.

The product of its (nonzero) digits is 3969, while the sum is 30.

The square root of 130079730 is about 11405.2501068587. The cubic root of 130079730 is about 506.6832438213.

The spelling of 130079730 in words is "one hundred thirty million, seventy-nine thousand, seven hundred thirty".