140042012143 has 16 divisors (see below), whose sum is σ = 154306473984. Its totient is φ = 126037416960.

The previous prime is 140042012107. The next prime is 140042012167. The reversal of 140042012143 is 341210240041.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 140042012143 - 2¹⁷ = 140041881071 is a prime.

It is a super-2 number, since 2×140042012143² (a number of 23 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 (140042012443) 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, 545071 + ... + 759727.

It is an arithmetic number, because the mean of its divisors is an integer number (9644154624).

Almost surely, 2^140042012143 is an apocalyptic number.

140042012143 is a deficient number, since it is larger than the sum of its proper divisors (14264461841).

140042012143 is a wasteful number, since it uses less digits than its factorization.

140042012143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215262.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 140042012143 its reverse (341210240041), we get a palindrome (481252252184).

The spelling of 140042012143 in words is "one hundred forty billion, forty-two million, twelve thousand, one hundred forty-three".