140864416 has 72 divisors (see below), whose sum is σ = 351975456. Its totient is φ = 54875520.

The previous prime is 140864413. The next prime is 140864429. The reversal of 140864416 is 614468041.

It is not an unprimeable number, because it can be changed into a prime (140864413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13165 + ... + 21331.

It is an arithmetic number, because the mean of its divisors is an integer number (4888548).

Almost surely, 2^140864416 is an apocalyptic number.

140864416 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 140864416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175987728).

140864416 is an abundant number, since it is smaller than the sum of its proper divisors (211111040).

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

140864416 is a wasteful number, since it uses less digits than its factorization.

140864416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8202 (or 8187 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 140864416 is about 11868.6315976190. The cubic root of 140864416 is about 520.3159027231.

The spelling of 140864416 in words is "one hundred forty million, eight hundred sixty-four thousand, four hundred sixteen".