130938439 has 2 divisors, whose sum is σ = 130938440. Its totient is φ = 130938438.

The previous prime is 130938377. The next prime is 130938469. The reversal of 130938439 is 934839031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130938439 - 2²³ = 122549831 is a prime.

It is equal to p_7428379 and since 130938439 and 7428379 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130938469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65469219 + 65469220.

It is an arithmetic number, because the mean of its divisors is an integer number (65469220).

Almost surely, 2^130938439 is an apocalyptic number.

130938439 is a deficient number, since it is larger than the sum of its proper divisors (1).

130938439 is an equidigital number, since it uses as much as digits as its factorization.

130938439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 130938439 is about 11442.8335214666. The cubic root of 130938439 is about 507.7957398473.

The spelling of 130938439 in words is "one hundred thirty million, nine hundred thirty-eight thousand, four hundred thirty-nine".