140505341 has 4 divisors (see below), whose sum is σ = 140693184. Its totient is φ = 140317500.

The previous prime is 140505329. The next prime is 140505389. The reversal of 140505341 is 143505041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140505341 - 2¹⁰ = 140504317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140505041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92795 + ... + 94296.

It is an arithmetic number, because the mean of its divisors is an integer number (35173296).

Almost surely, 2^140505341 is an apocalyptic number.

It is an amenable number.

140505341 is a deficient number, since it is larger than the sum of its proper divisors (187843).

140505341 is an equidigital number, since it uses as much as digits as its factorization.

140505341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187842.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 140505341 is about 11853.4948854758. The cubic root of 140505341 is about 519.8734171669.

It can be divided in two parts, 14050 and 5341, that added together give a palindrome (19391).

The spelling of 140505341 in words is "one hundred forty million, five hundred five thousand, three hundred forty-one".