140115011 has 4 divisors (see below), whose sum is σ = 146206992. Its totient is φ = 134023032.

The previous prime is 140114971. The next prime is 140115013. The reversal of 140115011 is 110511041.

140115011 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 a de Polignac number, because none of the positive numbers 2^k-140115011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140115013) 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, 3045956 + ... + 3046001.

It is an arithmetic number, because the mean of its divisors is an integer number (36551748).

Almost surely, 2^140115011 is an apocalyptic number.

140115011 is a deficient number, since it is larger than the sum of its proper divisors (6091981).

140115011 is an equidigital number, since it uses as much as digits as its factorization.

140115011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6091980.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 140115011 is about 11837.0186702565. The cubic root of 140115011 is about 519.3915602996.

Adding to 140115011 its reverse (110511041), we get a palindrome (250626052).

The spelling of 140115011 in words is "one hundred forty million, one hundred fifteen thousand, eleven".