140816080 has 80 divisors (see below), whose sum is σ = 340027344. Its totient is φ = 54190080.

The previous prime is 140816077. The next prime is 140816101. The reversal of 140816080 is 80618041.

It can be written as a sum of positive squares in 8 ways, for example, as 35712576 + 105103504 = 5976^2 + 10252^2 .

It is a tau number, because it is divible by the number of its divisors (80).

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, 334270 + ... + 334690.

Almost surely, 2^140816080 is an apocalyptic number.

140816080 is a gapful number since it is divisible by the number (10) 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 140816080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170013672).

140816080 is an abundant number, since it is smaller than the sum of its proper divisors (199211264).

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

140816080 is a wasteful number, since it uses less digits than its factorization.

140816080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 140816080 is about 11866.5951308705. The cubic root of 140816080 is about 520.2563824474.

The spelling of 140816080 in words is "one hundred forty million, eight hundred sixteen thousand, eighty".