130861493 has 16 divisors (see below), whose sum is σ = 157845120. Its totient is φ = 105981696.

The previous prime is 130861487. The next prime is 130861501. The reversal of 130861493 is 394168031.

It is not a de Polignac number, because 130861493 - 2⁶ = 130861429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130861993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59705 + ... + 61857.

It is an arithmetic number, because the mean of its divisors is an integer number (9865320).

Almost surely, 2^130861493 is an apocalyptic number.

It is an amenable number.

130861493 is a deficient number, since it is larger than the sum of its proper divisors (26983627).

130861493 is a wasteful number, since it uses less digits than its factorization.

130861493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2636.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 130861493 is about 11439.4708356637. The cubic root of 130861493 is about 507.6962516005.

The spelling of 130861493 in words is "one hundred thirty million, eight hundred sixty-one thousand, four hundred ninety-three".