140244330 has 32 divisors (see below), whose sum is σ = 337307328. Its totient is φ = 37318400.

The previous prime is 140244323. The next prime is 140244337. The reversal of 140244330 is 33442041.

It is an interprime number because it is at equal distance from previous prime (140244323) and next prime (140244337).

It is a junction number, because it is equal to n+sod(n) for n = 140244297 and 140244306.

It is not an unprimeable number, because it can be changed into a prime (140244337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9970 + ... + 19490.

It is an arithmetic number, because the mean of its divisors is an integer number (10540854).

Almost surely, 2^140244330 is an apocalyptic number.

140244330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140244330 is an abundant number, since it is smaller than the sum of its proper divisors (197062998).

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

140244330 is a wasteful number, since it uses less digits than its factorization.

140244330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10022.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 140244330 is about 11842.4798923199. The cubic root of 140244330 is about 519.5513017941.

Adding to 140244330 its reverse (33442041), we get a palindrome (173686371).

The spelling of 140244330 in words is "one hundred forty million, two hundred forty-four thousand, three hundred thirty".