5135267374021 has 4 divisors (see below), whose sum is σ = 5437341925452. Its totient is φ = 4833192822592.

The previous prime is 5135267374007. The next prime is 5135267374043. The reversal of 5135267374021 is 1204737625315.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2174754837025 + 2960512536996 = 1474705^2 + 1720614^2 .

It is a cyclic number.

It is not a de Polignac number, because 5135267374021 - 2¹⁹ = 5135266849733 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 (5135267374421) 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, 151037275690 + ... + 151037275723.

It is an arithmetic number, because the mean of its divisors is an integer number (1359335481363).

Almost surely, 2^{5135267374021} is an apocalyptic number.

It is an amenable number.

5135267374021 is a deficient number, since it is larger than the sum of its proper divisors (302074551431).

5135267374021 is a wasteful number, since it uses less digits than its factorization.

5135267374021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302074551430.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 5135267374021 in words is "five trillion, one hundred thirty-five billion, two hundred sixty-seven million, three hundred seventy-four thousand, twenty-one".