140200465 has 4 divisors (see below), whose sum is σ = 168240564. Its totient is φ = 112160368.

The previous prime is 140200447. The next prime is 140200469. The reversal of 140200465 is 564002041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61984129 + 78216336 = 7873^2 + 8844^2 .

It is a cyclic number.

It is not a de Polignac number, because 140200465 - 2⁷ = 140200337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140200469) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14020042 + ... + 14020051.

It is an arithmetic number, because the mean of its divisors is an integer number (42060141).

Almost surely, 2^140200465 is an apocalyptic number.

It is an amenable number.

140200465 is a deficient number, since it is larger than the sum of its proper divisors (28040099).

140200465 is an equidigital number, since it uses as much as digits as its factorization.

140200465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28040098.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 140200465 is about 11840.6277282921. The cubic root of 140200465 is about 519.4971284945.

The spelling of 140200465 in words is "one hundred forty million, two hundred thousand, four hundred sixty-five".