130437919 has 4 divisors (see below), whose sum is σ = 130473760. Its totient is φ = 130402080.

The previous prime is 130437893. The next prime is 130437941. The reversal of 130437919 is 919734031.

130437919 is nontrivially palindromic in base 2.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130437919 - 2⁹ = 130437407 is a prime.

It is a super-2 number, since 2×130437919² = 34028101426101122, 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 (130437319) 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, 11754 + ... + 19975.

It is an arithmetic number, because the mean of its divisors is an integer number (32618440).

Almost surely, 2^130437919 is an apocalyptic number.

130437919 is a deficient number, since it is larger than the sum of its proper divisors (35841).

130437919 is an equidigital number, since it uses as much as digits as its factorization.

130437919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35840.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 130437919 is about 11420.9421240106. The cubic root of 130437919 is about 507.1478871494.

The spelling of 130437919 in words is "one hundred thirty million, four hundred thirty-seven thousand, nine hundred nineteen".