130397620 has 24 divisors (see below), whose sum is σ = 281237544. Its totient is φ = 50749056.

The previous prime is 130397609. The next prime is 130397621. The reversal of 130397620 is 26793031.

It can be written as a sum of positive squares in 4 ways, for example, as 13498276 + 116899344 = 3674^2 + 10812^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130397621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87367 + ... + 88846.

It is an arithmetic number, because the mean of its divisors is an integer number (11718231).

Almost surely, 2^130397620 is an apocalyptic number.

130397620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130397620 is an abundant number, since it is smaller than the sum of its proper divisors (150839924).

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

130397620 is a wasteful number, since it uses less digits than its factorization.

130397620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176259 (or 176257 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 130397620 is about 11419.1777287158. The cubic root of 130397620 is about 507.0956537243.

The spelling of 130397620 in words is "one hundred thirty million, three hundred ninety-seven thousand, six hundred twenty".