140252320 has 48 divisors (see below), whose sum is σ = 356839560. Its totient is φ = 51784704.

The previous prime is 140252291. The next prime is 140252327. The reversal of 140252320 is 23252041.

It can be written as a sum of positive squares in 4 ways, for example, as 38887696 + 101364624 = 6236^2 + 10068^2 .

It is not an unprimeable number, because it can be changed into a prime (140252327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31635 + ... + 35794.

Almost surely, 2^140252320 is an apocalyptic number.

140252320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140252320 is an abundant number, since it is smaller than the sum of its proper divisors (216587240).

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

140252320 is a wasteful number, since it uses less digits than its factorization.

140252320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67457 (or 67449 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 140252320 is about 11842.8172323987. The cubic root of 140252320 is about 519.5611682324.

The spelling of 140252320 in words is "one hundred forty million, two hundred fifty-two thousand, three hundred twenty".