2132009 has 12 divisors (see below), whose sum is σ = 2472720. Its totient is φ = 1818000.

The previous prime is 2132003. The next prime is 2132023. The reversal of 2132009 is 9002312.

It is not a de Polignac number, because 2132009 - 2¹⁶ = 2066473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2132003) 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, 21059 + ... + 21159.

It is an arithmetic number, because the mean of its divisors is an integer number (206060).

2^2132009 is an apocalyptic number.

It is an amenable number.

2132009 is a deficient number, since it is larger than the sum of its proper divisors (340711).

2132009 is a wasteful number, since it uses less digits than its factorization.

2132009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2132009 is about 1460.1400617749. The cubic root of 2132009 is about 128.7052743131.

It can be divided in two parts, 213 and 2009, that added together give a palindrome (2222).

The spelling of 2132009 in words is "two million, one hundred thirty-two thousand, nine".