140307752 has 32 divisors (see below), whose sum is σ = 287210280. Its totient is φ = 63866880.

The previous prime is 140307703. The next prime is 140307763. The reversal of 140307752 is 257703041.

It can be written as a sum of positive squares in 4 ways, for example, as 129640996 + 10666756 = 11386^2 + 3266^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1649 + ... + 16832.

Almost surely, 2^140307752 is an apocalyptic number.

It is an amenable number.

140307752 is an abundant number, since it is smaller than the sum of its proper divisors (146902528).

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

140307752 is a wasteful number, since it uses less digits than its factorization.

140307752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18573 (or 18569 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 140307752 is about 11845.1573227205. The cubic root of 140307752 is about 519.6296080302.

The spelling of 140307752 in words is "one hundred forty million, three hundred seven thousand, seven hundred fifty-two".