130781889 has 12 divisors (see below), whose sum is σ = 215894016. Its totient is φ = 74732472.

The previous prime is 130781873. The next prime is 130781897. The reversal of 130781889 is 988187031.

It is not a de Polignac number, because 130781889 - 2⁴ = 130781873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130781489) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1037889 + ... + 1038014.

It is an arithmetic number, because the mean of its divisors is an integer number (17991168).

Almost surely, 2^130781889 is an apocalyptic number.

It is an amenable number.

130781889 is a deficient number, since it is larger than the sum of its proper divisors (85112127).

130781889 is a wasteful number, since it uses less digits than its factorization.

130781889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2075916 (or 2075913 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The square root of 130781889 is about 11435.9909496292. The cubic root of 130781889 is about 507.5932856092.

The spelling of 130781889 in words is "one hundred thirty million, seven hundred eighty-one thousand, eight hundred eighty-nine".