140340450 has 24 divisors (see below), whose sum is σ = 348044688. Its totient is φ = 37424080.

The previous prime is 140340437. The next prime is 140340481. The reversal of 140340450 is 54043041.

140340450 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 467652 + ... + 467951.

It is an arithmetic number, because the mean of its divisors is an integer number (14501862).

Almost surely, 2^140340450 is an apocalyptic number.

140340450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140340450 is an abundant number, since it is smaller than the sum of its proper divisors (207704238).

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

140340450 is a wasteful number, since it uses less digits than its factorization.

140340450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935618 (or 935613 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 140340450 is about 11846.5374688134. The cubic root of 140340450 is about 519.6699705641.

Adding to 140340450 its reverse (54043041), we get a palindrome (194383491).

The spelling of 140340450 in words is "one hundred forty million, three hundred forty thousand, four hundred fifty".