2132909 has 4 divisors (see below), whose sum is σ = 2169120. Its totient is φ = 2096700.

The previous prime is 2132903. The next prime is 2132941. The reversal of 2132909 is 9092312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2132909 - 2⁸ = 2132653 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 (2132903) 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, 18017 + ... + 18134.

It is an arithmetic number, because the mean of its divisors is an integer number (542280).

2^2132909 is an apocalyptic number.

It is an amenable number.

2132909 is a deficient number, since it is larger than the sum of its proper divisors (36211).

2132909 is an equidigital number, since it uses as much as digits as its factorization.

2132909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36210.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 2132909 is about 1460.4482188698. The cubic root of 2132909 is about 128.7233821871.

The spelling of 2132909 in words is "two million, one hundred thirty-two thousand, nine hundred nine".