3240139 has 8 divisors (see below), whose sum is σ = 3715040. Its totient is φ = 2768256.

The previous prime is 3240131. The next prime is 3240143. The reversal of 3240139 is 9310423.

3240139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3240139 - 2³ = 3240131 is a prime.

3240139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3240131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2497 + ... + 3565.

It is an arithmetic number, because the mean of its divisors is an integer number (464380).

Almost surely, 2^3240139 is an apocalyptic number.

3240139 is a deficient number, since it is larger than the sum of its proper divisors (474901).

3240139 is a wasteful number, since it uses less digits than its factorization.

3240139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3240139 is about 1800.0386106970. The cubic root of 3240139 is about 147.9748405004.

The spelling of 3240139 in words is "three million, two hundred forty thousand, one hundred thirty-nine".