139884653 has 8 divisors (see below), whose sum is σ = 148249080. Its totient is φ = 131535360.

The previous prime is 139884637. The next prime is 139884659. The reversal of 139884653 is 356488931.

139884653 is digitally balanced in base 2, 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 4 ways, for example, as 71690089 + 68194564 = 8467^2 + 8258^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 139884653 - 2⁴ = 139884637 is a prime.

It is a super-2 number, since 2×139884653² = 39135432289860818, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 139884598 and 139884607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139884659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19343 + ... + 25571.

It is an arithmetic number, because the mean of its divisors is an integer number (18531135).

Almost surely, 2^139884653 is an apocalyptic number.

It is an amenable number.

139884653 is a deficient number, since it is larger than the sum of its proper divisors (8364427).

139884653 is a wasteful number, since it uses less digits than its factorization.

139884653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7567.

The product of its digits is 622080, while the sum is 47.

The square root of 139884653 is about 11827.2842614017. The cubic root of 139884653 is about 519.1067665702.

The spelling of 139884653 in words is "one hundred thirty-nine million, eight hundred eighty-four thousand, six hundred fifty-three".