139283237492 has 12 divisors (see below), whose sum is σ = 278566475040. Its totient is φ = 59692816056.

The previous prime is 139283237449. The next prime is 139283237519. The reversal of 139283237492 is 294732382931.

It is a happy number.

139283237492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

139283237492 is an admirable number.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

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, 2487200642 + ... + 2487200697.

It is an arithmetic number, because the mean of its divisors is an integer number (23213872920).

Almost surely, 2^139283237492 is an apocalyptic number.

It is an amenable number.

139283237492 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.

139283237492 is a wasteful number, since it uses less digits than its factorization.

139283237492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4974401350 (or 4974401348 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 53.

The spelling of 139283237492 in words is "one hundred thirty-nine billion, two hundred eighty-three million, two hundred thirty-seven thousand, four hundred ninety-two".