530868139 has 2 divisors, whose sum is σ = 530868140. Its totient is φ = 530868138.

The previous prime is 530868131. The next prime is 530868161. The reversal of 530868139 is 931868035.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 530868139 - 2³ = 530868131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 530868095 and 530868104.

It is not a weakly prime, because it can be changed into another prime (530868131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265434069 + 265434070.

It is an arithmetic number, because the mean of its divisors is an integer number (265434070).

Almost surely, 2^530868139 is an apocalyptic number.

530868139 is a deficient number, since it is larger than the sum of its proper divisors (1).

530868139 is an equidigital number, since it uses as much as digits as its factorization.

530868139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 530868139 is about 23040.5759259616. The cubic root of 530868139 is about 809.7088518215.

The spelling of 530868139 in words is "five hundred thirty million, eight hundred sixty-eight thousand, one hundred thirty-nine".