140140013 has 16 divisors (see below), whose sum is σ = 154224000. Its totient is φ = 126557760.

The previous prime is 140139983. The next prime is 140140019. The reversal of 140140013 is 310041041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140140013 - 2¹⁸ = 139877869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 140140013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140140019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137018 + ... + 138036.

It is an arithmetic number, because the mean of its divisors is an integer number (9639000).

Almost surely, 2^140140013 is an apocalyptic number.

140140013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140140013 is a deficient number, since it is larger than the sum of its proper divisors (14083987).

140140013 is a wasteful number, since it uses less digits than its factorization.

140140013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 140140013 is about 11838.0747167772. The cubic root of 140140013 is about 519.4224517208.

Adding to 140140013 its reverse (310041041), we get a palindrome (450181054).

It can be divided in two parts, 1401 and 40013, that added together give a palindrome (41414).

The spelling of 140140013 in words is "one hundred forty million, one hundred forty thousand, thirteen".