21436160135 has 8 divisors (see below), whose sum is σ = 27702114720. Its totient is φ = 15829779744.

The previous prime is 21436160129. The next prime is 21436160153. The reversal of 21436160135 is 53106163412.

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 21436160135 - 2¹² = 21436156039 is a prime.

It is a super-2 number, since 2×21436160135² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164893475 + ... + 164893604.

It is an arithmetic number, because the mean of its divisors is an integer number (3462764340).

Almost surely, 2^21436160135 is an apocalyptic number.

21436160135 is a deficient number, since it is larger than the sum of its proper divisors (6265954585).

21436160135 is a wasteful number, since it uses less digits than its factorization.

21436160135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329787097.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 21436160135 in words is "twenty-one billion, four hundred thirty-six million, one hundred sixty thousand, one hundred thirty-five".