139894852 has 6 divisors (see below), whose sum is σ = 244815998. Its totient is φ = 69947424.

The previous prime is 139894849. The next prime is 139894873. The reversal of 139894852 is 258498931.

139894852 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 84897796 + 54997056 = 9214^2 + 7416^2 .

It is a super-2 number, since 2×139894852² = 39141139232203808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139894796 and 139894805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17486853 + ... + 17486860.

Almost surely, 2^139894852 is an apocalyptic number.

It is an amenable number.

139894852 is a deficient number, since it is larger than the sum of its proper divisors (104921146).

139894852 is a wasteful number, since it uses less digits than its factorization.

139894852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34973717 (or 34973715 counting only the distinct ones).

The product of its digits is 622080, while the sum is 49.

The square root of 139894852 is about 11827.7154176113. The cubic root of 139894852 is about 519.1193823007.

The spelling of 139894852 in words is "one hundred thirty-nine million, eight hundred ninety-four thousand, eight hundred fifty-two".