11810139 has 8 divisors (see below), whose sum is σ = 17178432. Its totient is φ = 7157640.

The previous prime is 11810137. The next prime is 11810143. The reversal of 11810139 is 93101811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11810139 - 2¹ = 11810137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11810131) by changing a digit.

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, 178909 + ... + 178974.

It is an arithmetic number, because the mean of its divisors is an integer number (2147304).

Almost surely, 2^11810139 is an apocalyptic number.

11810139 is a deficient number, since it is larger than the sum of its proper divisors (5368293).

11810139 is a wasteful number, since it uses less digits than its factorization.

11810139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357897.

The product of its (nonzero) digits is 216, while the sum is 24.

The square root of 11810139 is about 3436.5882790931. The cubic root of 11810139 is about 227.7289985748.

The spelling of 11810139 in words is "eleven million, eight hundred ten thousand, one hundred thirty-nine".