140343112 has 64 divisors (see below), whose sum is σ = 325543680. Its totient is φ = 55233792.

The previous prime is 140343103. The next prime is 140343113. The reversal of 140343112 is 211343041.

140343112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140343112.

It is not an unprimeable number, because it can be changed into a prime (140343113) 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, 191098 + ... + 191830.

It is an arithmetic number, because the mean of its divisors is an integer number (5086620).

Almost surely, 2^140343112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140343112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162771840).

140343112 is an abundant number, since it is smaller than the sum of its proper divisors (185200568).

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

140343112 is a wasteful number, since it uses less digits than its factorization.

140343112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 140343112 is about 11846.6498217851. The cubic root of 140343112 is about 519.6732562710.

Adding to 140343112 its reverse (211343041), we get a palindrome (351686153).

The spelling of 140343112 in words is "one hundred forty million, three hundred forty-three thousand, one hundred twelve".