130642319 has 2 divisors, whose sum is σ = 130642320. Its totient is φ = 130642318.

The previous prime is 130642307. The next prime is 130642321. The reversal of 130642319 is 913246031.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130642319 is a prime.

It is a super-2 number, since 2×130642319² = 34134831027395522, which contains 22 as substring.

Together with 130642321, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 130642291 and 130642300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130642019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65321159 + 65321160.

It is an arithmetic number, because the mean of its divisors is an integer number (65321160).

Almost surely, 2^130642319 is an apocalyptic number.

130642319 is a deficient number, since it is larger than the sum of its proper divisors (1).

130642319 is an equidigital number, since it uses as much as digits as its factorization.

130642319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 130642319 is about 11429.8870948054. The cubic root of 130642319 is about 507.4126540449.

The spelling of 130642319 in words is "one hundred thirty million, six hundred forty-two thousand, three hundred nineteen".