11389139 has 4 divisors (see below), whose sum is σ = 11448960. Its totient is φ = 11329320.

The previous prime is 11389097. The next prime is 11389153. The reversal of 11389139 is 93198311.

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 11389139 - 2²⁰ = 10340563 is a prime.

It is a super-2 number, since 2×11389139² = 259424974322642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11389099 and 11389108.

It is not an unprimeable number, because it can be changed into a prime (11389639) 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, 29624 + ... + 30005.

It is an arithmetic number, because the mean of its divisors is an integer number (2862240).

Almost surely, 2^11389139 is an apocalyptic number.

11389139 is a deficient number, since it is larger than the sum of its proper divisors (59821).

11389139 is an equidigital number, since it uses as much as digits as its factorization.

11389139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59820.

The product of its digits is 5832, while the sum is 35.

The square root of 11389139 is about 3374.7798446714. The cubic root of 11389139 is about 224.9902152123.

The spelling of 11389139 in words is "eleven million, three hundred eighty-nine thousand, one hundred thirty-nine".