130437881 has 4 divisors (see below), whose sum is σ = 149071872. Its totient is φ = 111803892.

The previous prime is 130437859. The next prime is 130437883. The reversal of 130437881 is 188734031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130437881 - 2²⁶ = 63329017 is a prime.

It is a super-2 number, since 2×130437881² = 34028081599540322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130437883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9316985 + ... + 9316998.

It is an arithmetic number, because the mean of its divisors is an integer number (37267968).

Almost surely, 2^130437881 is an apocalyptic number.

It is an amenable number.

130437881 is a deficient number, since it is larger than the sum of its proper divisors (18633991).

130437881 is an equidigital number, since it uses as much as digits as its factorization.

130437881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18633990.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 130437881 is about 11420.9404603999. The cubic root of 130437881 is about 507.1478379008.

The spelling of 130437881 in words is "one hundred thirty million, four hundred thirty-seven thousand, eight hundred eighty-one".