11138390 has 16 divisors (see below), whose sum is σ = 20090160. Its totient is φ = 4446240.

The previous prime is 11138377. The next prime is 11138423. The reversal of 11138390 is 9383111.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6305 + ... + 7875.

It is an arithmetic number, because the mean of its divisors is an integer number (1255635).

Almost surely, 2^11138390 is an apocalyptic number.

11138390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11138390 is a deficient number, since it is larger than the sum of its proper divisors (8951770).

11138390 is a wasteful number, since it uses less digits than its factorization.

11138390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 648, while the sum is 26.

The square root of 11138390 is about 3337.4226582799. The cubic root of 11138390 is about 223.3267813231.

The spelling of 11138390 in words is "eleven million, one hundred thirty-eight thousand, three hundred ninety".