140328540 has 216 divisors, whose sum is σ = 496707120. Its totient is φ = 31933440.

The previous prime is 140328533. The next prime is 140328553. The reversal of 140328540 is 45823041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 370071 + ... + 370449.

It is an arithmetic number, because the mean of its divisors is an integer number (2299570).

Almost surely, 2^140328540 is an apocalyptic number.

140328540 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 140328540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248353560).

140328540 is an abundant number, since it is smaller than the sum of its proper divisors (356378580).

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

140328540 is a wasteful number, since it uses less digits than its factorization.

140328540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 140328540 is about 11846.0347796214. The cubic root of 140328540 is about 519.6552695414.

The spelling of 140328540 in words is "one hundred forty million, three hundred twenty-eight thousand, five hundred forty".