130239983 has 2 divisors, whose sum is σ = 130239984. Its totient is φ = 130239982.

The previous prime is 130239979. The next prime is 130240039. The reversal of 130239983 is 389932031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 130239983 - 2² = 130239979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130239383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65119991 + 65119992.

It is an arithmetic number, because the mean of its divisors is an integer number (65119992).

Almost surely, 2^130239983 is an apocalyptic number.

130239983 is a deficient number, since it is larger than the sum of its proper divisors (1).

130239983 is an equidigital number, since it uses as much as digits as its factorization.

130239983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 130239983 is about 11412.2733493375. The cubic root of 130239983 is about 506.8912295662.

The spelling of 130239983 in words is "one hundred thirty million, two hundred thirty-nine thousand, nine hundred eighty-three".