39135842997292 has 6 divisors (see below), whose sum is σ = 68487725245268. Its totient is φ = 19567921498644.

The previous prime is 39135842997283. The next prime is 39135842997299. The reversal of 39135842997292 is 29279924853193.

It is a super-2 number, since 2×39135842997292² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39135842997299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4891980374658 + ... + 4891980374665.

Almost surely, 2^{39135842997292} is an apocalyptic number.

It is an amenable number.

39135842997292 is a deficient number, since it is larger than the sum of its proper divisors (29351882247976).

39135842997292 is a wasteful number, since it uses less digits than its factorization.

39135842997292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9783960749327 (or 9783960749325 counting only the distinct ones).

The product of its digits is 529079040, while the sum is 73.

The spelling of 39135842997292 in words is "thirty-nine trillion, one hundred thirty-five billion, eight hundred forty-two million, nine hundred ninety-seven thousand, two hundred ninety-two".