130042919 has 2 divisors, whose sum is σ = 130042920. Its totient is φ = 130042918.

The previous prime is 130042907. The next prime is 130042921. The reversal of 130042919 is 919240031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130042919 - 2²⁴ = 113265703 is a prime.

It is a super-2 number, since 2×130042919² = 33822321564081122, which contains 22 as substring.

Together with 130042921, 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 = 130042891 and 130042900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130032919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65021459 + 65021460.

It is an arithmetic number, because the mean of its divisors is an integer number (65021460).

Almost surely, 2^130042919 is an apocalyptic number.

130042919 is a deficient number, since it is larger than the sum of its proper divisors (1).

130042919 is an equidigital number, since it uses as much as digits as its factorization.

130042919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 130042919 is about 11403.6362183297. The cubic root of 130042919 is about 506.6354442229.

The spelling of 130042919 in words is "one hundred thirty million, forty-two thousand, nine hundred nineteen".