11140399 has 2 divisors, whose sum is σ = 11140400. Its totient is φ = 11140398.

The previous prime is 11140387. The next prime is 11140421. The reversal of 11140399 is 99304111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11140399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11140309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5570199 + 5570200.

It is an arithmetic number, because the mean of its divisors is an integer number (5570200).

Almost surely, 2^11140399 is an apocalyptic number.

11140399 is a deficient number, since it is larger than the sum of its proper divisors (1).

11140399 is an equidigital number, since it uses as much as digits as its factorization.

11140399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 11140399 is about 3337.7236254669. The cubic root of 11140399 is about 223.3402074565.

The spelling of 11140399 in words is "eleven million, one hundred forty thousand, three hundred ninety-nine".