130788381 has 8 divisors (see below), whose sum is σ = 183562720. Its totient is φ = 82603152.

The previous prime is 130788341. The next prime is 130788389. The reversal of 130788381 is 183887031.

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

It is not a de Polignac number, because 130788381 - 2⁷ = 130788253 is a prime.

It is a super-2 number, since 2×130788381² = 34211201209202322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130788389) 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, 1147210 + ... + 1147323.

It is an arithmetic number, because the mean of its divisors is an integer number (22945340).

Almost surely, 2^130788381 is an apocalyptic number.

It is an amenable number.

130788381 is a deficient number, since it is larger than the sum of its proper divisors (52774339).

130788381 is a wasteful number, since it uses less digits than its factorization.

130788381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294555.

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 130788381 is about 11436.2747868351. The cubic root of 130788381 is about 507.6016844304.

The spelling of 130788381 in words is "one hundred thirty million, seven hundred eighty-eight thousand, three hundred eighty-one".