140402224231 has 8 divisors (see below), whose sum is σ = 148733167280. Its totient is φ = 132165416448.

The previous prime is 140402224223. The next prime is 140402224241. The reversal of 140402224231 is 132422204041.

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

It is a cyclic number.

It is not a de Polignac number, because 140402224231 - 2³ = 140402224223 is a prime.

It is a super-2 number, since 2×140402224231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140402224196 and 140402224205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140402224241) 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, 23530746 + ... + 23536711.

It is an arithmetic number, because the mean of its divisors is an integer number (18591645910).

Almost surely, 2^140402224231 is an apocalyptic number.

140402224231 is a deficient number, since it is larger than the sum of its proper divisors (8330943049).

140402224231 is a wasteful number, since it uses less digits than its factorization.

140402224231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47067633.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 140402224231 its reverse (132422204041), we get a palindrome (272824428272).

The spelling of 140402224231 in words is "one hundred forty billion, four hundred two million, two hundred twenty-four thousand, two hundred thirty-one".