140343330 has 32 divisors (see below), whose sum is σ = 356638464. Its totient is φ = 35223296.

The previous prime is 140343323. The next prime is 140343353. The reversal of 140343330 is 33343041.

It is a junction number, because it is equal to n+sod(n) for n = 140343297 and 140343306.

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, 137082 + ... + 138101.

It is an arithmetic number, because the mean of its divisors is an integer number (11144952).

Almost surely, 2^140343330 is an apocalyptic number.

140343330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140343330 is an abundant number, since it is smaller than the sum of its proper divisors (216295134).

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

140343330 is a wasteful number, since it uses less digits than its factorization.

140343330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275210.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 140343330 is about 11846.6590226950. The cubic root of 140343330 is about 519.6735253465.

Adding to 140343330 its reverse (33343041), we get a palindrome (173686371).

The spelling of 140343330 in words is "one hundred forty million, three hundred forty-three thousand, three hundred thirty".