11433138 has 16 divisors (see below), whose sum is σ = 23254560. Its totient is φ = 3746336.

The previous prime is 11433109. The next prime is 11433143. The reversal of 11433138 is 83133411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15795 + ... + 16502.

It is an arithmetic number, because the mean of its divisors is an integer number (1453410).

Almost surely, 2^11433138 is an apocalyptic number.

11433138 is an abundant number, since it is smaller than the sum of its proper divisors (11821422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11433138 is a wasteful number, since it uses less digits than its factorization.

11433138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32361.

The product of its digits is 864, while the sum is 24.

The square root of 11433138 is about 3381.2923564815. The cubic root of 11433138 is about 225.2795734601.

Adding to 11433138 its reverse (83133411), we get a palindrome (94566549).

The spelling of 11433138 in words is "eleven million, four hundred thirty-three thousand, one hundred thirty-eight".