7939316142 has 16 divisors (see below), whose sum is σ = 17642924880. Its totient is φ = 2646438696.

The previous prime is 7939316141. The next prime is 7939316171. The reversal of 7939316142 is 2416139397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7939316141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73512133 + ... + 73512240.

It is an arithmetic number, because the mean of its divisors is an integer number (1102682805).

Almost surely, 2^7939316142 is an apocalyptic number.

7939316142 is an abundant number, since it is smaller than the sum of its proper divisors (9703608738).

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

7939316142 is a wasteful number, since it uses less digits than its factorization.

7939316142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147024384 (or 147024378 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 7939316142 is about 89102.8402577606. The cubic root of 7939316142 is about 1994.9301711101.

The spelling of 7939316142 in words is "seven billion, nine hundred thirty-nine million, three hundred sixteen thousand, one hundred forty-two".