153939 has 12 divisors (see below), whose sum is σ = 216776. Its totient is φ = 97152.

The previous prime is 153929. The next prime is 153941. The reversal of 153939 is 939351.

153939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 153939 - 2⁹ = 153427 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1539 + ... + 1635.

2¹⁵³⁹³⁹ is an apocalyptic number.

153939 is a deficient number, since it is larger than the sum of its proper divisors (62837).

153939 is an equidigital number, since it uses as much as digits as its factorization.

153939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 123 counting only the distinct ones).

The product of its digits is 3645, while the sum is 30.

The square root of 153939 is about 392.3506085123. The cubic root of 153939 is about 53.5940059756.

The spelling of 153939 in words is "one hundred fifty-three thousand, nine hundred thirty-nine".