139203996 has 24 divisors (see below), whose sum is σ = 325123344. Its totient is φ = 46356480.

The previous prime is 139203971. The next prime is 139204001. The reversal of 139203996 is 699302931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8806 + ... + 18866.

It is an arithmetic number, because the mean of its divisors is an integer number (13546806).

Almost surely, 2^139203996 is an apocalyptic number.

It is an amenable number.

139203996 is an abundant number, since it is smaller than the sum of its proper divisors (185919348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139203996 is a wasteful number, since it uses less digits than its factorization.

139203996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11221 (or 11219 counting only the distinct ones).

The product of its (nonzero) digits is 78732, while the sum is 42.

The square root of 139203996 is about 11798.4743081468. The cubic root of 139203996 is about 518.2634329379.

The spelling of 139203996 in words is "one hundred thirty-nine million, two hundred three thousand, nine hundred ninety-six".