5421002135305 has 8 divisors (see below), whose sum is σ = 6533121888072. Its totient is φ = 4318188824448.

The previous prime is 5421002135303. The next prime is 5421002135309. The reversal of 5421002135305 is 5035312001245.

It can be written as a sum of positive squares in 4 ways, for example, as 76139020489 + 5344863114816 = 275933^2 + 2311896^2 .

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 5421002135305 - 2¹ = 5421002135303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5421002135303) 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, 2326609194 + ... + 2326611523.

It is an arithmetic number, because the mean of its divisors is an integer number (816640236009).

Almost surely, 2^{5421002135305} is an apocalyptic number.

It is an amenable number.

5421002135305 is a deficient number, since it is larger than the sum of its proper divisors (1112119752767).

5421002135305 is a wasteful number, since it uses less digits than its factorization.

5421002135305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653220955.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 5421002135305 in words is "five trillion, four hundred twenty-one billion, two million, one hundred thirty-five thousand, three hundred five".