2139533 has 16 divisors (see below), whose sum is σ = 2548800. Its totient is φ = 1774080.

The previous prime is 2139521. The next prime is 2139539. The reversal of 2139533 is 3359312.

It is not a de Polignac number, because 2139533 - 2¹⁶ = 2073997 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 (2139539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5885 + ... + 6237.

It is an arithmetic number, because the mean of its divisors is an integer number (159300).

2^2139533 is an apocalyptic number.

It is an amenable number.

2139533 is a deficient number, since it is larger than the sum of its proper divisors (409267).

2139533 is a wasteful number, since it uses less digits than its factorization.

2139533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412.

The product of its digits is 2430, while the sum is 26.

The square root of 2139533 is about 1462.7142578098. The cubic root of 2139533 is about 128.8564996839.

The spelling of 2139533 in words is "two million, one hundred thirty-nine thousand, five hundred thirty-three".