140580840 has 64 divisors (see below), whose sum is σ = 426513600. Its totient is φ = 37064192.

The previous prime is 140580827. The next prime is 140580887. The reversal of 140580840 is 48085041.

140580840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 140580798 and 140580807.

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, 4099 + ... + 17261.

It is an arithmetic number, because the mean of its divisors is an integer number (6664275).

Almost surely, 2^140580840 is an apocalyptic number.

140580840 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 140580840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213256800).

140580840 is an abundant number, since it is smaller than the sum of its proper divisors (285932760).

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

140580840 is a wasteful number, since it uses less digits than its factorization.

140580840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13266 (or 13262 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 140580840 is about 11856.6791303467. The cubic root of 140580840 is about 519.9665165817.

The spelling of 140580840 in words is "one hundred forty million, five hundred eighty thousand, eight hundred forty".