139448612 has 12 divisors (see below), whose sum is σ = 244379520. Its totient is φ = 69625896.

The previous prime is 139448611. The next prime is 139448627. The reversal of 139448612 is 216844931.

It is not an unprimeable number, because it can be changed into a prime (139448611) 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, 21368 + ... + 27119.

It is an arithmetic number, because the mean of its divisors is an integer number (20364960).

Almost surely, 2^139448612 is an apocalyptic number.

It is an amenable number.

139448612 is a deficient number, since it is larger than the sum of its proper divisors (104930908).

139448612 is a wasteful number, since it uses less digits than its factorization.

139448612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49210 (or 49208 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 139448612 is about 11808.8361831300. The cubic root of 139448612 is about 518.5668278243.

The spelling of 139448612 in words is "one hundred thirty-nine million, four hundred forty-eight thousand, six hundred twelve".