11739138 has 16 divisors (see below), whose sum is σ = 24113280. Its totient is φ = 3807216.

The previous prime is 11739107. The next prime is 11739149. The reversal of 11739138 is 83193711.

It is a junction number, because it is equal to n+sod(n) for n = 11739099 and 11739108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26218 + ... + 26661.

It is an arithmetic number, because the mean of its divisors is an integer number (1507080).

Almost surely, 2^11739138 is an apocalyptic number.

11739138 is an abundant number, since it is smaller than the sum of its proper divisors (12374142).

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

11739138 is a wasteful number, since it uses less digits than its factorization.

11739138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52921.

The product of its digits is 4536, while the sum is 33.

The square root of 11739138 is about 3426.2425483319. The cubic root of 11739138 is about 227.2717220707.

The spelling of 11739138 in words is "eleven million, seven hundred thirty-nine thousand, one hundred thirty-eight".