76335139 has 2 divisors, whose sum is σ = 76335140. Its totient is φ = 76335138.

The previous prime is 76335131. The next prime is 76335173. The reversal of 76335139 is 93153367.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (93153367) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76335139 - 2³ = 76335131 is a prime.

It is a super-2 number, since 2×76335139² = 11654106892298642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 76335098 and 76335107.

It is not a weakly prime, because it can be changed into another prime (76335131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38167569 + 38167570.

It is an arithmetic number, because the mean of its divisors is an integer number (38167570).

Almost surely, 2^76335139 is an apocalyptic number.

76335139 is a deficient number, since it is larger than the sum of its proper divisors (1).

76335139 is an equidigital number, since it uses as much as digits as its factorization.

76335139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51030, while the sum is 37.

The square root of 76335139 is about 8736.9982831634. The cubic root of 76335139 is about 424.2040725093.

The spelling of 76335139 in words is "seventy-six million, three hundred thirty-five thousand, one hundred thirty-nine".