11137139 has 4 divisors (see below), whose sum is σ = 11993856. Its totient is φ = 10280424.

The previous prime is 11137127. The next prime is 11137163. The reversal of 11137139 is 93173111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93173111 = 1427 ⋅65293.

It is a cyclic number.

It is not a de Polignac number, because 11137139 - 2⁴ = 11137123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11137739) 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 3 ways as a sum of consecutive naturals, for example, 428339 + ... + 428364.

It is an arithmetic number, because the mean of its divisors is an integer number (2998464).

Almost surely, 2^11137139 is an apocalyptic number.

11137139 is a deficient number, since it is larger than the sum of its proper divisors (856717).

11137139 is an equidigital number, since it uses as much as digits as its factorization.

11137139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856716.

The product of its digits is 567, while the sum is 26.

The square root of 11137139 is about 3337.2352329436. The cubic root of 11137139 is about 223.3184200829.

The spelling of 11137139 in words is "eleven million, one hundred thirty-seven thousand, one hundred thirty-nine".