140112811 has 2 divisors, whose sum is σ = 140112812. Its totient is φ = 140112810.

The previous prime is 140112779. The next prime is 140112853. The reversal of 140112811 is 118211041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 140112811 - 2⁵ = 140112779 is a prime.

It is not a weakly prime, because it can be changed into another prime (140112871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70056405 + 70056406.

It is an arithmetic number, because the mean of its divisors is an integer number (70056406).

Almost surely, 2^140112811 is an apocalyptic number.

140112811 is a deficient number, since it is larger than the sum of its proper divisors (1).

140112811 is an equidigital number, since it uses as much as digits as its factorization.

140112811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

The square root of 140112811 is about 11836.9257410867. The cubic root of 140112811 is about 519.3888418961.

Adding to 140112811 its reverse (118211041), we get a palindrome (258323852).

The spelling of 140112811 in words is "one hundred forty million, one hundred twelve thousand, eight hundred eleven".