11138745 has 16 divisors (see below), whose sum is σ = 18159552. Its totient is φ = 5828160.

The previous prime is 11138719. The next prime is 11138753. The reversal of 11138745 is 54783111.

It is not a de Polignac number, because 11138745 - 2⁵ = 11138713 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6211 + ... + 7800.

It is an arithmetic number, because the mean of its divisors is an integer number (1134972).

Almost surely, 2^11138745 is an apocalyptic number.

11138745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11138745 is a deficient number, since it is larger than the sum of its proper divisors (7020807).

11138745 is a wasteful number, since it uses less digits than its factorization.

11138745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14072.

The product of its digits is 3360, while the sum is 30.

The square root of 11138745 is about 3337.4758426092. The cubic root of 11138745 is about 223.3291539031.

The spelling of 11138745 in words is "eleven million, one hundred thirty-eight thousand, seven hundred forty-five".