504130139 has 2 divisors, whose sum is σ = 504130140. Its totient is φ = 504130138.

The previous prime is 504130127. The next prime is 504130141. The reversal of 504130139 is 931031405.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-504130139 is a prime.

Together with 504130141, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (504130639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252065069 + 252065070.

It is an arithmetic number, because the mean of its divisors is an integer number (252065070).

Almost surely, 2^504130139 is an apocalyptic number.

504130139 is a deficient number, since it is larger than the sum of its proper divisors (1).

504130139 is an equidigital number, since it uses as much as digits as its factorization.

504130139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 504130139 is about 22452.8425594623. The cubic root of 504130139 is about 795.8799317859.

The spelling of 504130139 in words is "five hundred four million, one hundred thirty thousand, one hundred thirty-nine".