130452399 has 72 divisors (see below), whose sum is σ = 240400160. Its totient is φ = 66718080.

The previous prime is 130452383. The next prime is 130452403. The reversal of 130452399 is 993254031.

It is a happy number.

It is not a de Polignac number, because 130452399 - 2⁴ = 130452383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130452349) 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 71 ways as a sum of consecutive naturals, for example, 830829 + ... + 830985.

Almost surely, 2^130452399 is an apocalyptic number.

130452399 is a deficient number, since it is larger than the sum of its proper divisors (109947761).

130452399 is a wasteful number, since it uses less digits than its factorization.

130452399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 130452399 is about 11421.5760296029. The cubic root of 130452399 is about 507.1666527296.

The spelling of 130452399 in words is "one hundred thirty million, four hundred fifty-two thousand, three hundred ninety-nine".