140981760 has 240 divisors, whose sum is σ = 507489840. Its totient is φ = 36126720.

The previous prime is 140981747. The next prime is 140981779. The reversal of 140981760 is 67189041.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 668055 + ... + 668265.

It is an arithmetic number, because the mean of its divisors is an integer number (2114541).

Almost surely, 2^140981760 is an apocalyptic number.

140981760 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 140981760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253744920).

140981760 is an abundant number, since it is smaller than the sum of its proper divisors (366508080).

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

140981760 is a wasteful number, since it uses less digits than its factorization.

140981760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 140981760 is about 11873.5740196455. The cubic root of 140981760 is about 520.4603418585.

The spelling of 140981760 in words is "one hundred forty million, nine hundred eighty-one thousand, seven hundred sixty".