140543216 has 80 divisors (see below), whose sum is σ = 318193920. Its totient is φ = 59427840.

The previous prime is 140543213. The next prime is 140543237. The reversal of 140543216 is 612345041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140543213) 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, 319925 + ... + 320363.

It is an arithmetic number, because the mean of its divisors is an integer number (3977424).

Almost surely, 2^140543216 is an apocalyptic number.

140543216 is a gapful number since it is divisible by the number (16) 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 140543216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159096960).

140543216 is an abundant number, since it is smaller than the sum of its proper divisors (177650704).

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

140543216 is a wasteful number, since it uses less digits than its factorization.

140543216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 140543216 is about 11855.0924079064. The cubic root of 140543216 is about 519.9201257987.

Adding to 140543216 its reverse (612345041), we get a palindrome (752888257).

The spelling of 140543216 in words is "one hundred forty million, five hundred forty-three thousand, two hundred sixteen".