140350465 has 4 divisors (see below), whose sum is σ = 168420564. Its totient is φ = 112280368.

The previous prime is 140350433. The next prime is 140350493. The reversal of 140350465 is 564053041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564053041 = 769 ⋅733489.

It can be written as a sum of positive squares in 2 ways, for example, as 103042801 + 37307664 = 10151^2 + 6108^2 .

It is a cyclic number.

It is not a de Polignac number, because 140350465 - 2⁵ = 140350433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14035042 + ... + 14035051.

It is an arithmetic number, because the mean of its divisors is an integer number (42105141).

Almost surely, 2^140350465 is an apocalyptic number.

It is an amenable number.

140350465 is a deficient number, since it is larger than the sum of its proper divisors (28070099).

140350465 is an equidigital number, since it uses as much as digits as its factorization.

140350465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28070098.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 140350465 is about 11846.9601586230. The cubic root of 140350465 is about 519.6823318635.

The spelling of 140350465 in words is "one hundred forty million, three hundred fifty thousand, four hundred sixty-five".