135384070221 has 16 divisors (see below), whose sum is σ = 202343944320. Its totient is φ = 89457318720.

The previous prime is 135384070219. The next prime is 135384070223. The reversal of 135384070221 is 122070483531.

135384070221 is a `hidden beast` number, since 1 + 353 + 84 + 0 + 7 + 0 + 221 = 666.

It is an interprime number because it is at equal distance from previous prime (135384070219) and next prime (135384070223).

It is not a de Polignac number, because 135384070221 - 2¹ = 135384070219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135384070223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22183785 + ... + 22189886.

It is an arithmetic number, because the mean of its divisors is an integer number (12646496520).

Almost surely, 2^135384070221 is an apocalyptic number.

It is an amenable number.

135384070221 is a deficient number, since it is larger than the sum of its proper divisors (66959874099).

135384070221 is a wasteful number, since it uses less digits than its factorization.

135384070221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44373793 (or 44373787 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 135384070221 in words is "one hundred thirty-five billion, three hundred eighty-four million, seventy thousand, two hundred twenty-one".