139054286326 has 4 divisors (see below), whose sum is σ = 208581429492. Its totient is φ = 69527143162.

The previous prime is 139054286321. The next prime is 139054286333. The reversal of 139054286326 is 623682450931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 623682450931 = 4597 ⋅135671623.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 139054286326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139054286321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34763571580 + ... + 34763571583.

It is an arithmetic number, because the mean of its divisors is an integer number (52145357373).

Almost surely, 2^139054286326 is an apocalyptic number.

139054286326 is a deficient number, since it is larger than the sum of its proper divisors (69527143166).

139054286326 is an equidigital number, since it uses as much as digits as its factorization.

139054286326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69527143165.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 139054286326 in words is "one hundred thirty-nine billion, fifty-four million, two hundred eighty-six thousand, three hundred twenty-six".