140606250 has 48 divisors (see below), whose sum is σ = 351540000. Its totient is φ = 37490000.

The previous prime is 140606243. The next prime is 140606273. The reversal of 140606250 is 52606041.

It is a self number, because there is not a number n which added to its sum of digits gives 140606250.

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 23 ways as a sum of consecutive naturals, for example, 15001 + ... + 22499.

It is an arithmetic number, because the mean of its divisors is an integer number (7323750).

Almost surely, 2^140606250 is an apocalyptic number.

140606250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140606250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175770000).

140606250 is an abundant number, since it is smaller than the sum of its proper divisors (210933750).

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

140606250 is an frugal number, since it uses more digits than its factorization.

140606250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7529 (or 7509 counting only the distinct ones).

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

The square root of 140606250 is about 11857.7506298623. The cubic root of 140606250 is about 519.9978426932.

The spelling of 140606250 in words is "one hundred forty million, six hundred six thousand, two hundred fifty".