139834244 has 12 divisors (see below), whose sum is σ = 266956368. Its totient is φ = 63561000.

The previous prime is 139834241. The next prime is 139834291. The reversal of 139834244 is 442438931.

It is a junction number, because it is equal to n+sod(n) for n = 139834198 and 139834207.

It is not an unprimeable number, because it can be changed into a prime (139834241) 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, 1588982 + ... + 1589069.

It is an arithmetic number, because the mean of its divisors is an integer number (22246364).

Almost surely, 2^139834244 is an apocalyptic number.

It is an amenable number.

139834244 is a deficient number, since it is larger than the sum of its proper divisors (127122124).

139834244 is a wasteful number, since it uses less digits than its factorization.

139834244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178066 (or 3178064 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 139834244 is about 11825.1530222657. The cubic root of 139834244 is about 519.0444037679.

The spelling of 139834244 in words is "one hundred thirty-nine million, eight hundred thirty-four thousand, two hundred forty-four".