139475723694 has 8 divisors (see below), whose sum is σ = 278951447400. Its totient is φ = 46491907896.

The previous prime is 139475723671. The next prime is 139475723713. The reversal of 139475723694 is 496327574931.

It is a happy number.

139475723694 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

139475723694 is an admirable number.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 11622976969 + ... + 11622976980.

It is an arithmetic number, because the mean of its divisors is an integer number (34868930925).

Almost surely, 2^139475723694 is an apocalyptic number.

139475723694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

139475723694 is a wasteful number, since it uses less digits than its factorization.

139475723694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23245953954.

The product of its digits is 34292160, while the sum is 60.

The spelling of 139475723694 in words is "one hundred thirty-nine billion, four hundred seventy-five million, seven hundred twenty-three thousand, six hundred ninety-four".