39123134421986 has 16 divisors (see below), whose sum is σ = 59714278531200. Its totient is φ = 19218762922128.

The previous prime is 39123134421919. The next prime is 39123134422063. The reversal of 39123134421986 is 68912443132193.

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, 96800090 + ... + 97203413.

It is an arithmetic number, because the mean of its divisors is an integer number (3732142408200).

Almost surely, 2^{39123134421986} is an apocalyptic number.

39123134421986 is a deficient number, since it is larger than the sum of its proper divisors (20591144109214).

39123134421986 is a wasteful number, since it uses less digits than its factorization.

39123134421986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194005273.

The product of its digits is 6718464, while the sum is 56.

The spelling of 39123134421986 in words is "thirty-nine trillion, one hundred twenty-three billion, one hundred thirty-four million, four hundred twenty-one thousand, nine hundred eighty-six".