11140147 has 4 divisors (see below), whose sum is σ = 11524320. Its totient is φ = 10755976.

The previous prime is 11140141. The next prime is 11140183. The reversal of 11140147 is 74104111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11140147 - 2¹⁵ = 11107379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11140141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192043 + ... + 192100.

It is an arithmetic number, because the mean of its divisors is an integer number (2881080).

Almost surely, 2^11140147 is an apocalyptic number.

11140147 is a deficient number, since it is larger than the sum of its proper divisors (384173).

11140147 is an equidigital number, since it uses as much as digits as its factorization.

11140147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384172.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 11140147 is about 3337.6858749739. The cubic root of 11140147 is about 223.3385234308.

Adding to 11140147 its reverse (74104111), we get a palindrome (85244258).

The spelling of 11140147 in words is "eleven million, one hundred forty thousand, one hundred forty-seven".