39128281076 has 12 divisors (see below), whose sum is σ = 71451643872. Its totient is φ = 18713525688.

The previous prime is 39128281069. The next prime is 39128281103. The reversal of 39128281076 is 67018282193.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 39128281076.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212653610 + ... + 212653793.

It is an arithmetic number, because the mean of its divisors is an integer number (5954303656).

Almost surely, 2^39128281076 is an apocalyptic number.

It is an amenable number.

39128281076 is a deficient number, since it is larger than the sum of its proper divisors (32323362796).

39128281076 is a wasteful number, since it uses less digits than its factorization.

39128281076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425307430 (or 425307428 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 39128281076 in words is "thirty-nine billion, one hundred twenty-eight million, two hundred eighty-one thousand, seventy-six".