653139 has 12 divisors (see below), whose sum is σ = 974272. Its totient is φ = 421200.

The previous prime is 653117. The next prime is 653143. The reversal of 653139 is 931356.

653139 is a `hidden beast` number, since 653 + 1 + 3 + 9 = 666.

653139 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 653139 - 2⁹ = 652627 is a prime.

It is a Duffinian number.

653139 is strictly pandigital in base 7.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 653139.

It is not an unprimeable number, because it can be changed into a prime (653339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 892 + ... + 1449.

2⁶⁵³¹³⁹ is an apocalyptic number.

653139 is a deficient number, since it is larger than the sum of its proper divisors (321133).

653139 is a wasteful number, since it uses less digits than its factorization.

653139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2378 (or 2375 counting only the distinct ones).

The product of its digits is 2430, while the sum is 27.

The square root of 653139 is about 808.1701553510. The cubic root of 653139 is about 86.7631289528.

The spelling of 653139 in words is "six hundred fifty-three thousand, one hundred thirty-nine".