139440112 has 20 divisors (see below), whose sum is σ = 308760496. Its totient is φ = 59760000.

The previous prime is 139440109. The next prime is 139440121. The reversal of 139440112 is 211044931.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622389 + ... + 622612.

Almost surely, 2^139440112 is an apocalyptic number.

It is an amenable number.

139440112 is an abundant number, since it is smaller than the sum of its proper divisors (169320384).

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

139440112 is a wasteful number, since it uses less digits than its factorization.

139440112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245016 (or 1245010 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 139440112 is about 11808.4762776575. The cubic root of 139440112 is about 518.5562913082.

The spelling of 139440112 in words is "one hundred thirty-nine million, four hundred forty thousand, one hundred twelve".