140840960 has 156 divisors (see below), whose sum is σ = 380488332. Its totient is φ = 49741824.

The previous prime is 140840941. The next prime is 140840969. The reversal of 140840960 is 69048041.

It can be written as a sum of positive squares in 2 ways, for example, as 34668544 + 106172416 = 5888^2 + 10304^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140840969) 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, 6123509 + ... + 6123531.

Almost surely, 2^140840960 is an apocalyptic number.

140840960 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 140840960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190244166).

140840960 is an abundant number, since it is smaller than the sum of its proper divisors (239647372).

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

140840960 is an equidigital number, since it uses as much as digits as its factorization.

140840960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 43 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 140840960 is about 11867.6434054955. The cubic root of 140840960 is about 520.2870210329.

The spelling of 140840960 in words is "one hundred forty million, eight hundred forty thousand, nine hundred sixty".