139783601912 has 8 divisors (see below), whose sum is σ = 262094253600. Its totient is φ = 69891800952.

The previous prime is 139783601911. The next prime is 139783602029. The reversal of 139783601912 is 219106387931.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139783601911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8736475112 + ... + 8736475127.

It is an arithmetic number, because the mean of its divisors is an integer number (32761781700).

Almost surely, 2^139783601912 is an apocalyptic number.

It is an amenable number.

139783601912 is a deficient number, since it is larger than the sum of its proper divisors (122310651688).

139783601912 is a wasteful number, since it uses less digits than its factorization.

139783601912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17472950245 (or 17472950241 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 50.

The spelling of 139783601912 in words is "one hundred thirty-nine billion, seven hundred eighty-three million, six hundred one thousand, nine hundred twelve".