120440140013 has 2 divisors, whose sum is σ = 120440140014. Its totient is φ = 120440140012.

The previous prime is 120440139991. The next prime is 120440140039. The reversal of 120440140013 is 310041044021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94373068804 + 26067071209 = 307202^2 + 161453^2 .

It is a cyclic number.

It is not a de Polignac number, because 120440140013 - 2¹⁸ = 120439877869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120440142013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60220070006 + 60220070007.

It is an arithmetic number, because the mean of its divisors is an integer number (60220070007).

Almost surely, 2^120440140013 is an apocalyptic number.

It is an amenable number.

120440140013 is a deficient number, since it is larger than the sum of its proper divisors (1).

120440140013 is an equidigital number, since it uses as much as digits as its factorization.

120440140013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 120440140013 its reverse (310041044021), we get a palindrome (430481184034).

The spelling of 120440140013 in words is "one hundred twenty billion, four hundred forty million, one hundred forty thousand, thirteen".