140329880 has 48 divisors (see below), whose sum is σ = 323786160. Its totient is φ = 54736640.

The previous prime is 140329879. The next prime is 140329909. The reversal of 140329880 is 88923041.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 140329880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66197 + ... + 68283.

It is an arithmetic number, because the mean of its divisors is an integer number (6745545).

Almost surely, 2^140329880 is an apocalyptic number.

140329880 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 140329880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161893080).

140329880 is an abundant number, since it is smaller than the sum of its proper divisors (183456280).

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

140329880 is a wasteful number, since it uses less digits than its factorization.

140329880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180 (or 2135 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 140329880 is about 11846.0913384964. The cubic root of 140329880 is about 519.6569236023.

The spelling of 140329880 in words is "one hundred forty million, three hundred twenty-nine thousand, eight hundred eighty".