140435250 has 64 divisors (see below), whose sum is σ = 359154432. Its totient is φ = 36528000.

The previous prime is 140435221. The next prime is 140435257. The reversal of 140435250 is 52534041.

140435250 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 140435250.

It is not an unprimeable number, because it can be changed into a prime (140435257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28467 + ... + 33033.

It is an arithmetic number, because the mean of its divisors is an integer number (5611788).

Almost surely, 2^140435250 is an apocalyptic number.

140435250 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 140435250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179577216).

140435250 is an abundant number, since it is smaller than the sum of its proper divisors (218719182).

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

140435250 is a wasteful number, since it uses less digits than its factorization.

140435250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4628 (or 4618 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 140435250 is about 11850.5379624724. The cubic root of 140435250 is about 519.7869566139.

Adding to 140435250 its reverse (52534041), we get a palindrome (192969291).

The spelling of 140435250 in words is "one hundred forty million, four hundred thirty-five thousand, two hundred fifty".