39142171356 has 24 divisors (see below), whose sum is σ = 96704188560. Its totient is φ = 12279896832.

The previous prime is 39142171349. The next prime is 39142171399. The reversal of 39142171356 is 65317124193.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95936491 + ... + 95936898.

It is an arithmetic number, because the mean of its divisors is an integer number (4029341190).

Almost surely, 2^39142171356 is an apocalyptic number.

It is an amenable number.

39142171356 is an abundant number, since it is smaller than the sum of its proper divisors (57562017204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39142171356 is a wasteful number, since it uses less digits than its factorization.

39142171356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191873413 (or 191873411 counting only the distinct ones).

The product of its digits is 136080, while the sum is 42.

The spelling of 39142171356 in words is "thirty-nine billion, one hundred forty-two million, one hundred seventy-one thousand, three hundred fifty-six".