405140141 has 24 divisors (see below), whose sum is σ = 502438656. Its totient is φ = 319806720.

The previous prime is 405140123. The next prime is 405140149. The reversal of 405140141 is 141041504.

It is not a de Polignac number, because 405140141 - 2¹⁰ = 405139117 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405140149) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92951 + ... + 97211.

It is an arithmetic number, because the mean of its divisors is an integer number (20934944).

Almost surely, 2^405140141 is an apocalyptic number.

It is an amenable number.

405140141 is a deficient number, since it is larger than the sum of its proper divisors (97298515).

405140141 is a wasteful number, since it uses less digits than its factorization.

405140141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4349 (or 4332 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 405140141 is about 20128.0933274863. The cubic root of 405140141 is about 739.9489500941.

Adding to 405140141 its reverse (141041504), we get a palindrome (546181645).

The spelling of 405140141 in words is "four hundred five million, one hundred forty thousand, one hundred forty-one".