74316139 has 2 divisors, whose sum is σ = 74316140. Its totient is φ = 74316138.

The previous prime is 74316131. The next prime is 74316167. The reversal of 74316139 is 93161347.

It is a weak prime.

It is an emirp because it is prime and its reverse (93161347) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 74316139 - 2³ = 74316131 is a prime.

It is not a weakly prime, because it can be changed into another prime (74316131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37158069 + 37158070.

It is an arithmetic number, because the mean of its divisors is an integer number (37158070).

Almost surely, 2^74316139 is an apocalyptic number.

74316139 is a deficient number, since it is larger than the sum of its proper divisors (1).

74316139 is an equidigital number, since it uses as much as digits as its factorization.

74316139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608, while the sum is 34.

The square root of 74316139 is about 8620.6808895818. The cubic root of 74316139 is about 420.4306599216.

The spelling of 74316139 in words is "seventy-four million, three hundred sixteen thousand, one hundred thirty-nine".