11139705 has 48 divisors (see below), whose sum is σ = 20666880. Its totient is φ = 5537664.

The previous prime is 11139677. The next prime is 11139721. The reversal of 11139705 is 50793111.

It is a happy number.

It is not a de Polignac number, because 11139705 - 2⁵ = 11139673 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48531 + ... + 48759.

It is an arithmetic number, because the mean of its divisors is an integer number (430560).

Almost surely, 2^11139705 is an apocalyptic number.

11139705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11139705 is a deficient number, since it is larger than the sum of its proper divisors (9527175).

11139705 is a wasteful number, since it uses less digits than its factorization.

11139705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 307 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 27.

The square root of 11139705 is about 3337.6196607762. The cubic root of 11139705 is about 223.3355696417.

The spelling of 11139705 in words is "eleven million, one hundred thirty-nine thousand, seven hundred five".