130539400 has 72 divisors (see below), whose sum is σ = 311606730. Its totient is φ = 50856960.

The previous prime is 130539397. The next prime is 130539401. The reversal of 130539400 is 4935031.

It can be written as a sum of positive squares in 3 ways, for example, as 91126116 + 39413284 = 9546^2 + 6278^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (130539401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 369624 + ... + 369976.

Almost surely, 2^130539400 is an apocalyptic number.

130539400 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 130539400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155803365).

130539400 is an abundant number, since it is smaller than the sum of its proper divisors (181067330).

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

130539400 is a wasteful number, since it uses less digits than its factorization.

130539400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 130539400 is about 11425.3840198043. The cubic root of 130539400 is about 507.2793737959.

The spelling of 130539400 in words is "one hundred thirty million, five hundred thirty-nine thousand, four hundred".