139951934943 has 16 divisors (see below), whose sum is σ = 187480102656. Its totient is φ = 92862956160.

The previous prime is 139951934893. The next prime is 139951934977. The reversal of 139951934943 is 349439159931.

139951934943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139951934943 - 2⁶ = 139951934879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139951934443) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1282980 + ... + 1387782.

It is an arithmetic number, because the mean of its divisors is an integer number (11717506416).

Almost surely, 2^139951934943 is an apocalyptic number.

139951934943 is a deficient number, since it is larger than the sum of its proper divisors (47528167713).

139951934943 is a wasteful number, since it uses less digits than its factorization.

139951934943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106894.

The product of its digits is 14171760, while the sum is 60.

The spelling of 139951934943 in words is "one hundred thirty-nine billion, nine hundred fifty-one million, nine hundred thirty-four thousand, nine hundred forty-three".