76242137139 has 16 divisors (see below), whose sum is σ = 129087216640. Its totient is φ = 43566935400.

The previous prime is 76242137131. The next prime is 76242137141. The reversal of 76242137139 is 93173124267.

76242137139 is a `hidden beast` number, since 7 + 6 + 242 + 1 + 371 + 39 = 666.

It is not a de Polignac number, because 76242137139 - 2³ = 76242137131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 76242137094 and 76242137103.

It is not an unprimeable number, because it can be changed into a prime (76242137131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201698587 + ... + 201698964.

It is an arithmetic number, because the mean of its divisors is an integer number (8067951040).

Almost surely, 2^76242137139 is an apocalyptic number.

76242137139 is a deficient number, since it is larger than the sum of its proper divisors (52845079501).

76242137139 is a wasteful number, since it uses less digits than its factorization.

76242137139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403397567 (or 403397561 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The spelling of 76242137139 in words is "seventy-six billion, two hundred forty-two million, one hundred thirty-seven thousand, one hundred thirty-nine".