130811913 has 24 divisors (see below), whose sum is σ = 192366720. Its totient is φ = 85644000.

The previous prime is 130811911. The next prime is 130811917. The reversal of 130811913 is 319118031.

It is a happy number.

It is not a de Polignac number, because 130811913 - 2¹ = 130811911 is a prime.

It is a super-2 number, since 2×130811913² = 34223513165439138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130811911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178095 + ... + 178827.

It is an arithmetic number, because the mean of its divisors is an integer number (8015280).

Almost surely, 2^130811913 is an apocalyptic number.

It is an amenable number.

130811913 is a deficient number, since it is larger than the sum of its proper divisors (61554807).

130811913 is a wasteful number, since it uses less digits than its factorization.

130811913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 130811913 is about 11437.3035720838. The cubic root of 130811913 is about 507.6321258871.

Adding to 130811913 its reverse (319118031), we get a palindrome (449929944).

The spelling of 130811913 in words is "one hundred thirty million, eight hundred eleven thousand, nine hundred thirteen".