130908881 has 2 divisors, whose sum is σ = 130908882. Its totient is φ = 130908880.

The previous prime is 130908809. The next prime is 130908907. The reversal of 130908881 is 188809031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79299025 + 51609856 = 8905^2 + 7184^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130908881 is a prime.

It is a super-2 number, since 2×130908881² = 34274270249344322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (130904881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65454440 + 65454441.

It is an arithmetic number, because the mean of its divisors is an integer number (65454441).

Almost surely, 2^130908881 is an apocalyptic number.

It is an amenable number.

130908881 is a deficient number, since it is larger than the sum of its proper divisors (1).

130908881 is an equidigital number, since it uses as much as digits as its factorization.

130908881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 38.

The square root of 130908881 is about 11441.5418978388. The cubic root of 130908881 is about 507.7575270909.

The spelling of 130908881 in words is "one hundred thirty million, nine hundred eight thousand, eight hundred eighty-one".