11139321 has 8 divisors (see below), whose sum is σ = 14959840. Its totient is φ = 7372512.

The previous prime is 11139287. The next prime is 11139341. The reversal of 11139321 is 12393111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11139321 - 2¹⁵ = 11106553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11139341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12940 + ... + 13773.

It is an arithmetic number, because the mean of its divisors is an integer number (1869980).

Almost surely, 2^11139321 is an apocalyptic number.

It is an amenable number.

11139321 is a deficient number, since it is larger than the sum of its proper divisors (3820519).

11139321 is a wasteful number, since it uses less digits than its factorization.

11139321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26855.

The product of its digits is 162, while the sum is 21.

The square root of 11139321 is about 3337.5621342531. The cubic root of 11139321 is about 223.3330033905. Note that the first 3 decimals are identical.

The spelling of 11139321 in words is "eleven million, one hundred thirty-nine thousand, three hundred twenty-one".