139086968212 has 24 divisors (see below), whose sum is σ = 261664179840. Its totient is φ = 64481526720.

The previous prime is 139086968203. The next prime is 139086968243. The reversal of 139086968212 is 212869680931.

It is a congruent number.

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, 19465489 + ... + 19472632.

It is an arithmetic number, because the mean of its divisors is an integer number (10902674160).

Almost surely, 2^139086968212 is an apocalyptic number.

It is an amenable number.

139086968212 is a deficient number, since it is larger than the sum of its proper divisors (122577211628).

139086968212 is a wasteful number, since it uses less digits than its factorization.

139086968212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38938191 (or 38938189 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 55.

The spelling of 139086968212 in words is "one hundred thirty-nine billion, eighty-six million, nine hundred sixty-eight thousand, two hundred twelve".