71375146939 has 6 divisors (see below), whose sum is σ = 75132959460. Its totient is φ = 67617457020.

The previous prime is 71375146933. The next prime is 71375146961. The reversal of 71375146939 is 93964157317.

It is not a de Polignac number, because 71375146939 - 2¹⁷ = 71375015867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71375146939.

It is not an unprimeable number, because it can be changed into a prime (71375146933) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1133884 + ... + 1195174.

It is an arithmetic number, because the mean of its divisors is an integer number (12522159910).

Almost surely, 2^71375146939 is an apocalyptic number.

71375146939 is a deficient number, since it is larger than the sum of its proper divisors (3757812521).

71375146939 is an frugal number, since it uses more digits than its factorization.

71375146939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122601 (or 61310 counting only the distinct ones).

The product of its digits is 4286520, while the sum is 55.

The spelling of 71375146939 in words is "seventy-one billion, three hundred seventy-five million, one hundred forty-six thousand, nine hundred thirty-nine".