140660250 has 32 divisors (see below), whose sum is σ = 351089856. Its totient is φ = 37509200.

The previous prime is 140660243. The next prime is 140660291. The reversal of 140660250 is 52066041.

It is a self number, because there is not a number n which added to its sum of digits gives 140660250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93024 + ... + 94523.

It is an arithmetic number, because the mean of its divisors is an integer number (10971558).

Almost surely, 2^140660250 is an apocalyptic number.

140660250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140660250 is an abundant number, since it is smaller than the sum of its proper divisors (210429606).

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

140660250 is a wasteful number, since it uses less digits than its factorization.

140660250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187567 (or 187557 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 140660250 is about 11860.0274030038. The cubic root of 140660250 is about 520.0644027728.

The spelling of 140660250 in words is "one hundred forty million, six hundred sixty thousand, two hundred fifty".