139147996 has 12 divisors (see below), whose sum is σ = 262240552. Its totient is φ = 64222128.

The previous prime is 139147991. The next prime is 139148071. The reversal of 139147996 is 699741931.

139147996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139147991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1337910 + ... + 1338013.

Almost surely, 2^139147996 is an apocalyptic number.

It is an amenable number.

139147996 is a deficient number, since it is larger than the sum of its proper divisors (123092556).

139147996 is a wasteful number, since it uses less digits than its factorization.

139147996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675940 (or 2675938 counting only the distinct ones).

The product of its digits is 367416, while the sum is 49.

The square root of 139147996 is about 11796.1008812234. The cubic root of 139147996 is about 518.1939266839.

The spelling of 139147996 in words is "one hundred thirty-nine million, one hundred forty-seven thousand, nine hundred ninety-six".