11139946 has 16 divisors (see below), whose sum is σ = 17361288. Its totient is φ = 5356800.

The previous prime is 11139937. The next prime is 11139949. The reversal of 11139946 is 64993111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3080025 + 8059921 = 1755^2 + 2839^2 .

It is not an unprimeable number, because it can be changed into a prime (11139949) 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, 5056 + ... + 6916.

Almost surely, 2^11139946 is an apocalyptic number.

11139946 is a deficient number, since it is larger than the sum of its proper divisors (6221342).

11139946 is a wasteful number, since it uses less digits than its factorization.

11139946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1977.

The product of its digits is 5832, while the sum is 34.

The square root of 11139946 is about 3337.6557641554. The cubic root of 11139946 is about 223.3371802016.

The spelling of 11139946 in words is "eleven million, one hundred thirty-nine thousand, nine hundred forty-six".