39139146067428 has 72 divisors (see below), whose sum is σ = 109229511789216. Its totient is φ = 11717451532800.

The previous prime is 39139146067393. The next prime is 39139146067451. The reversal of 39139146067428 is 82476064193193.

39139146067428 is a `hidden beast` number, since 3 + 9 + 1 + 3 + 9 + 14 + 606 + 7 + 4 + 2 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 595366093 + ... + 595431828.

It is an arithmetic number, because the mean of its divisors is an integer number (1517076552628).

Almost surely, 2^{39139146067428} is an apocalyptic number.

It is an amenable number.

39139146067428 is an abundant number, since it is smaller than the sum of its proper divisors (70090365721788).

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

39139146067428 is a wasteful number, since it uses less digits than its factorization.

39139146067428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190798025 (or 1190798020 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 63.

The spelling of 39139146067428 in words is "thirty-nine trillion, one hundred thirty-nine billion, one hundred forty-six million, sixty-seven thousand, four hundred twenty-eight".