514135445402021 has 8 divisors (see below), whose sum is σ = 535264299325464. Its totient is φ = 493387291549440.

The previous prime is 514135445401979. The next prime is 514135445402053. The reversal of 514135445402021 is 120204544531415.

It can be written as a sum of positive squares in 4 ways, for example, as 138116226225796 + 376019219176225 = 11752286^2 + 19391215^2 .

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 514135445402021 - 2²⁶ = 514135378293157 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 514135445402021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514135445402071) 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, 95175014960 + ... + 95175020361.

It is an arithmetic number, because the mean of its divisors is an integer number (66908037415683).

Almost surely, 2^{514135445402021} is an apocalyptic number.

It is an amenable number.

514135445402021 is a deficient number, since it is larger than the sum of its proper divisors (21128853923443).

514135445402021 is a wasteful number, since it uses less digits than its factorization.

514135445402021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190350035431.

The product of its (nonzero) digits is 384000, while the sum is 41.

Adding to 514135445402021 its reverse (120204544531415), we get a palindrome (634339989933436).

The spelling of 514135445402021 in words is "five hundred fourteen trillion, one hundred thirty-five billion, four hundred forty-five million, four hundred two thousand, twenty-one".