11372139 has 12 divisors (see below), whose sum is σ = 16514056. Its totient is φ = 7540992.

The previous prime is 11372131. The next prime is 11372161. The reversal of 11372139 is 93127311.

11372139 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11372139 - 2³ = 11372131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11372131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1537 + ... + 5010.

Almost surely, 2^11372139 is an apocalyptic number.

11372139 is a deficient number, since it is larger than the sum of its proper divisors (5141917).

11372139 is a wasteful number, since it uses less digits than its factorization.

11372139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6746 (or 6743 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 11372139 is about 3372.2602212759. The cubic root of 11372139 is about 224.8782155758.

It can be divided in two parts, 11372 and 139, that added together give a palindrome (11511).

The spelling of 11372139 in words is "eleven million, three hundred seventy-two thousand, one hundred thirty-nine".