139700244 has 12 divisors (see below), whose sum is σ = 325967264. Its totient is φ = 46566744.

The previous prime is 139700219. The next prime is 139700263. The reversal of 139700244 is 442007931.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 5820832 + ... + 5820855.

Almost surely, 2^139700244 is an apocalyptic number.

It is an amenable number.

139700244 is an abundant number, since it is smaller than the sum of its proper divisors (186267020).

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

139700244 is a wasteful number, since it uses less digits than its factorization.

139700244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11641694 (or 11641692 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 139700244 is about 11819.4857756165. The cubic root of 139700244 is about 518.8785546010.

The spelling of 139700244 in words is "one hundred thirty-nine million, seven hundred thousand, two hundred forty-four".