2139613 has 8 divisors (see below), whose sum is σ = 2455232. Its totient is φ = 1826496.

The previous prime is 2139611. The next prime is 2139653. The reversal of 2139613 is 3169312.

2139613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2139613 - 2¹ = 2139611 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 (2139611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1906 + ... + 2812.

It is an arithmetic number, because the mean of its divisors is an integer number (306904).

2^2139613 is an apocalyptic number.

It is an amenable number.

2139613 is a deficient number, since it is larger than the sum of its proper divisors (315619).

2139613 is an equidigital number, since it uses as much as digits as its factorization.

2139613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251.

The product of its digits is 972, while the sum is 25.

The square root of 2139613 is about 1462.7416039752. The cubic root of 2139613 is about 128.8581057028.

The spelling of 2139613 in words is "two million, one hundred thirty-nine thousand, six hundred thirteen".