140238080 has 54 divisors (see below), whose sum is σ = 336931938. Its totient is φ = 55925760.

The previous prime is 140238071. The next prime is 140238089. The reversal of 140238080 is 80832041.

It is an interprime number because it is at equal distance from previous prime (140238071) and next prime (140238089).

It can be written as a sum of positive squares in only one way, i.e., 112190464 + 28047616 = 10592^2 + 5296^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140238089) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 423515 + ... + 423845.

Almost surely, 2^140238080 is an apocalyptic number.

140238080 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 140238080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168465969).

140238080 is an abundant number, since it is smaller than the sum of its proper divisors (196693858).

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

140238080 is an frugal number, since it uses more digits than its factorization.

140238080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 140238080 is about 11842.2160088389. The cubic root of 140238080 is about 519.5435837308.

The spelling of 140238080 in words is "one hundred forty million, two hundred thirty-eight thousand, eighty".