140142344232 has 96 divisors (see below), whose sum is σ = 386110448640. Its totient is φ = 42356160000.

The previous prime is 140142344231. The next prime is 140142344233. The reversal of 140142344232 is 232443241041.

It is an interprime number because it is at equal distance from previous prime (140142344231) and next prime (140142344233).

It is a self number, because there is not a number n which added to its sum of digits gives 140142344232.

It is not an unprimeable number, because it can be changed into a prime (140142344231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1049232 + ... + 1175232.

It is an arithmetic number, because the mean of its divisors is an integer number (4021983840).

Almost surely, 2^140142344232 is an apocalyptic number.

140142344232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140142344232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193055224320).

140142344232 is an abundant number, since it is smaller than the sum of its proper divisors (245968104408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140142344232 is a wasteful number, since it uses less digits than its factorization.

140142344232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126415 (or 126400 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 140142344232 its reverse (232443241041), we get a palindrome (372585585273).

The spelling of 140142344232 in words is "one hundred forty billion, one hundred forty-two million, three hundred forty-four thousand, two hundred thirty-two".