40140102143 has 6 divisors (see below), whose sum is σ = 42640178016. Its totient is φ = 37778919392.

The previous prime is 40140102127. The next prime is 40140102151. The reversal of 40140102143 is 34120104104.

It is not a de Polignac number, because 40140102143 - 2⁴ = 40140102127 is a prime.

It is a super-2 number, since 2×40140102143² (a number of 22 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 (40140102043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69446255 + ... + 69446832.

It is an arithmetic number, because the mean of its divisors is an integer number (7106696336).

Almost surely, 2^40140102143 is an apocalyptic number.

40140102143 is a deficient number, since it is larger than the sum of its proper divisors (2500075873).

40140102143 is a wasteful number, since it uses less digits than its factorization.

40140102143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138893121 (or 138893104 counting only the distinct ones).

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

Adding to 40140102143 its reverse (34120104104), we get a palindrome (74260206247).

The spelling of 40140102143 in words is "forty billion, one hundred forty million, one hundred two thousand, one hundred forty-three".