140012011 has 4 divisors (see below), whose sum is σ = 140629032. Its totient is φ = 139394992.

The previous prime is 140012009. The next prime is 140012021. The reversal of 140012011 is 110210041.

140012011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 140012011 - 2¹ = 140012009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140012021) 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, 308170 + ... + 308623.

It is an arithmetic number, because the mean of its divisors is an integer number (35157258).

Almost surely, 2^140012011 is an apocalyptic number.

140012011 is a deficient number, since it is larger than the sum of its proper divisors (617021).

140012011 is an equidigital number, since it uses as much as digits as its factorization.

140012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617020.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 140012011 is about 11832.6671127012. The cubic root of 140012011 is about 519.2642590573.

Adding to 140012011 its reverse (110210041), we get a palindrome (250222052).

The spelling of 140012011 in words is "one hundred forty million, twelve thousand, eleven".