140042431321013 has 32 divisors (see below), whose sum is σ = 156496850496000. Its totient is φ = 124427592576000.

The previous prime is 140042431321003. The next prime is 140042431321103. The reversal of 140042431321013 is 310123134240041.

It is a cyclic number.

It is not a de Polignac number, because 140042431321013 - 2⁴ = 140042431320997 is a prime.

It is a super-2 number, since 2×140042431321013² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140042431321003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 256577108 + ... + 257122338.

It is an arithmetic number, because the mean of its divisors is an integer number (4890526578000).

Almost surely, 2^{140042431321013} is an apocalyptic number.

140042431321013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

140042431321013 is a deficient number, since it is larger than the sum of its proper divisors (16454419174987).

140042431321013 is a wasteful number, since it uses less digits than its factorization.

140042431321013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547373.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 140042431321013 its reverse (310123134240041), we get a palindrome (450165565561054).

The spelling of 140042431321013 in words is "one hundred forty trillion, forty-two billion, four hundred thirty-one million, three hundred twenty-one thousand, thirteen".