140411216 has 80 divisors (see below), whose sum is σ = 315456000. Its totient is φ = 59875200.

The previous prime is 140411191. The next prime is 140411221. The reversal of 140411216 is 612114041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665351 + ... + 665561.

It is an arithmetic number, because the mean of its divisors is an integer number (3943200).

Almost surely, 2^140411216 is an apocalyptic number.

140411216 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 140411216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157728000).

140411216 is an abundant number, since it is smaller than the sum of its proper divisors (175044784).

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

140411216 is a wasteful number, since it uses less digits than its factorization.

140411216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 140411216 is about 11849.5238722912. The cubic root of 140411216 is about 519.7573029184.

Adding to 140411216 its reverse (612114041), we get a palindrome (752525257).

The spelling of 140411216 in words is "one hundred forty million, four hundred eleven thousand, two hundred sixteen".