5321139 has 4 divisors (see below), whose sum is σ = 7094856. Its totient is φ = 3547424.

The previous prime is 5321111. The next prime is 5321143. The reversal of 5321139 is 9311235.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5321139 - 2⁸ = 5320883 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (5321179) 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 3 ways as a sum of consecutive naturals, for example, 886854 + ... + 886859.

It is an arithmetic number, because the mean of its divisors is an integer number (1773714).

Almost surely, 2^5321139 is an apocalyptic number.

5321139 is a deficient number, since it is larger than the sum of its proper divisors (1773717).

5321139 is a wasteful number, since it uses less digits than its factorization.

5321139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773716.

The product of its digits is 810, while the sum is 24.

The square root of 5321139 is about 2306.7594152837. The cubic root of 5321139 is about 174.5828321892.

It can be divided in two parts, 5321 and 139, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 5321139 in words is "five million, three hundred twenty-one thousand, one hundred thirty-nine".