2135179 has 4 divisors (see below), whose sum is σ = 2150680. Its totient is φ = 2119680.

The previous prime is 2135173. The next prime is 2135191. The reversal of 2135179 is 9715312.

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

It is a cyclic number.

It is not a de Polignac number, because 2135179 - 2⁷ = 2135051 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 (2135173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7542 + ... + 7819.

It is an arithmetic number, because the mean of its divisors is an integer number (537670).

2^2135179 is an apocalyptic number.

2135179 is a deficient number, since it is larger than the sum of its proper divisors (15501).

2135179 is a wasteful number, since it uses less digits than its factorization.

2135179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15500.

The product of its digits is 1890, while the sum is 28.

The square root of 2135179 is about 1461.2251708755. The cubic root of 2135179 is about 128.7690316542.

The spelling of 2135179 in words is "two million, one hundred thirty-five thousand, one hundred seventy-nine".