130723619 has 16 divisors (see below), whose sum is σ = 146754720. Its totient is φ = 115610880.

The previous prime is 130723613. The next prime is 130723631. The reversal of 130723619 is 916327031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 130723619 - 2²⁴ = 113946403 is a prime.

It is a super-2 number, since 2×130723619² = 34177329128914322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130723613) 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, 50384 + ... + 52914.

It is an arithmetic number, because the mean of its divisors is an integer number (9172170).

Almost surely, 2^130723619 is an apocalyptic number.

130723619 is a deficient number, since it is larger than the sum of its proper divisors (16031101).

130723619 is a wasteful number, since it uses less digits than its factorization.

130723619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 130723619 is about 11433.4430072485. The cubic root of 130723619 is about 507.5178881802.

The spelling of 130723619 in words is "one hundred thirty million, seven hundred twenty-three thousand, six hundred nineteen".