140204343412 has 96 divisors (see below), whose sum is σ = 291636221184. Its totient is φ = 57729024000.

The previous prime is 140204343329. The next prime is 140204343413. The reversal of 140204343412 is 214343402041.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140204343413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 96625287 + ... + 96626737.

It is an arithmetic number, because the mean of its divisors is an integer number (3037877304).

Almost surely, 2^140204343412 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 140204343412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145818110592).

140204343412 is an abundant number, since it is smaller than the sum of its proper divisors (151431877772).

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

140204343412 is a wasteful number, since it uses less digits than its factorization.

140204343412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729 (or 2727 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 140204343412 its reverse (214343402041), we get a palindrome (354547745453).

The spelling of 140204343412 in words is "one hundred forty billion, two hundred four million, three hundred forty-three thousand, four hundred twelve".