76315139 has 2 divisors, whose sum is σ = 76315140. Its totient is φ = 76315138.

The previous prime is 76315123. The next prime is 76315147. The reversal of 76315139 is 93151367.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 76315139 - 2⁴ = 76315123 is a prime.

It is a super-3 number, since 3×76315139³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 76315099 and 76315108.

It is not a weakly prime, because it can be changed into another prime (76315339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38157569 + 38157570.

It is an arithmetic number, because the mean of its divisors is an integer number (38157570).

Almost surely, 2^76315139 is an apocalyptic number.

76315139 is a deficient number, since it is larger than the sum of its proper divisors (1).

76315139 is an equidigital number, since it uses as much as digits as its factorization.

76315139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17010, while the sum is 35.

The square root of 76315139 is about 8735.8536503309. The cubic root of 76315139 is about 424.1670217591.

The spelling of 76315139 in words is "seventy-six million, three hundred fifteen thousand, one hundred thirty-nine".