140042420431013 has 8 divisors (see below), whose sum is σ = 140703899271936. Its totient is φ = 139381240572000.

The previous prime is 140042420430919. The next prime is 140042420431031. The reversal of 140042420431013 is 310134024240041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140042420431013 is a prime.

It is a super-2 number, since 2×140042420431013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140042420431033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73806443 + ... + 75680088.

It is an arithmetic number, because the mean of its divisors is an integer number (17587987408992).

Almost surely, 2^{140042420431013} is an apocalyptic number.

It is an amenable number.

140042420431013 is a deficient number, since it is larger than the sum of its proper divisors (661478840923).

140042420431013 is a wasteful number, since it uses less digits than its factorization.

140042420431013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149490955.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 140042420431013 its reverse (310134024240041), we get a palindrome (450176444671054).

The spelling of 140042420431013 in words is "one hundred forty trillion, forty-two billion, four hundred twenty million, four hundred thirty-one thousand, thirteen".