2132739 has 24 divisors (see below), whose sum is σ = 3567200. Its totient is φ = 1202688.

The previous prime is 2132699. The next prime is 2132749. The reversal of 2132739 is 9372312.

It is not a de Polignac number, because 2132739 - 2⁸ = 2132483 is a prime.

2132739 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2132749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5937 + ... + 6285.

2^2132739 is an apocalyptic number.

2132739 is a deficient number, since it is larger than the sum of its proper divisors (1434461).

2132739 is a wasteful number, since it uses less digits than its factorization.

2132739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459 (or 456 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 2132739 is about 1460.3900163997. The cubic root of 2132739 is about 128.7199622012.

The spelling of 2132739 in words is "two million, one hundred thirty-two thousand, seven hundred thirty-nine".