74540316139 has 4 divisors (see below), whose sum is σ = 74997618856. Its totient is φ = 74083013424.

The previous prime is 74540316079. The next prime is 74540316167. The reversal of 74540316139 is 93161304547.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93161304547 = 6263 ⋅14874869.

It is a cyclic number.

It is not a de Polignac number, because 74540316139 - 2²⁹ = 74003445227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74540316095 and 74540316104.

It is not an unprimeable number, because it can be changed into a prime (74540310139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228651114 + ... + 228651439.

It is an arithmetic number, because the mean of its divisors is an integer number (18749404714).

Almost surely, 2^74540316139 is an apocalyptic number.

74540316139 is a deficient number, since it is larger than the sum of its proper divisors (457302717).

74540316139 is a wasteful number, since it uses less digits than its factorization.

74540316139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457302716.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 74540316139 in words is "seventy-four billion, five hundred forty million, three hundred sixteen thousand, one hundred thirty-nine".