130436813 has 8 divisors (see below), whose sum is σ = 140649600. Its totient is φ = 120249648.

The previous prime is 130436791. The next prime is 130436819. The reversal of 130436813 is 318634031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130436813 - 2⁸ = 130436557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130436819) 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, 4928 + ... + 16886.

It is an arithmetic number, because the mean of its divisors is an integer number (17581200).

Almost surely, 2^130436813 is an apocalyptic number.

130436813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

130436813 is a deficient number, since it is larger than the sum of its proper divisors (10212787).

130436813 is a wasteful number, since it uses less digits than its factorization.

130436813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12811.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 130436813 is about 11420.8937040846. The cubic root of 130436813 is about 507.1464537544.

The spelling of 130436813 in words is "one hundred thirty million, four hundred thirty-six thousand, eight hundred thirteen".