514140431 has 8 divisors (see below), whose sum is σ = 588100224. Its totient is φ = 440308440.

The previous prime is 514140427. The next prime is 514140433. The reversal of 514140431 is 134041415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 514140431 - 2² = 514140427 is a prime.

It is a super-2 number, since 2×514140431² = 528680765577731522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 514140397 and 514140406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514140433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23165 + ... + 39558.

It is an arithmetic number, because the mean of its divisors is an integer number (73512528).

Almost surely, 2^514140431 is an apocalyptic number.

514140431 is a deficient number, since it is larger than the sum of its proper divisors (73959793).

514140431 is a wasteful number, since it uses less digits than its factorization.

514140431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63901.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 514140431 is about 22674.6649589360. The cubic root of 514140431 is about 801.1132579149.

Adding to 514140431 its reverse (134041415), we get a palindrome (648181846).

The spelling of 514140431 in words is "five hundred fourteen million, one hundred forty thousand, four hundred thirty-one".