140441312 has 144 divisors (see below), whose sum is σ = 337841280. Its totient is φ = 57150720.

The previous prime is 140441309. The next prime is 140441317. The reversal of 140441312 is 213144041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140441317) 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, 1692023 + ... + 1692105.

It is an arithmetic number, because the mean of its divisors is an integer number (2346120).

Almost surely, 2^140441312 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 140441312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168920640).

140441312 is an abundant number, since it is smaller than the sum of its proper divisors (197399968).

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

140441312 is a wasteful number, since it uses less digits than its factorization.

140441312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 138 counting only the distinct ones).

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

The square root of 140441312 is about 11850.7937286918. The cubic root of 140441312 is about 519.7944355130.

Adding to 140441312 its reverse (213144041), we get a palindrome (353585353).

The spelling of 140441312 in words is "one hundred forty million, four hundred forty-one thousand, three hundred twelve".