2139595 has 4 divisors (see below), whose sum is σ = 2567520. Its totient is φ = 1711672.

The previous prime is 2139583. The next prime is 2139607. The reversal of 2139595 is 5959312.

It is a happy number.

2139595 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2139583) and next prime (2139607).

It is a cyclic number.

It is not a de Polignac number, because 2139595 - 2⁵ = 2139563 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2139595.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213955 + ... + 213964.

It is an arithmetic number, because the mean of its divisors is an integer number (641880).

2^2139595 is an apocalyptic number.

2139595 is a deficient number, since it is larger than the sum of its proper divisors (427925).

2139595 is an equidigital number, since it uses as much as digits as its factorization.

2139595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427924.

The product of its digits is 12150, while the sum is 34.

The square root of 2139595 is about 1462.7354511326. The cubic root of 2139595 is about 128.8577443521.

The spelling of 2139595 in words is "two million, one hundred thirty-nine thousand, five hundred ninety-five".