21058114136 has 32 divisors (see below), whose sum is σ = 40215042000. Its totient is φ = 10335806976.

The previous prime is 21058114097. The next prime is 21058114157. The reversal of 21058114136 is 63141185012.

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, 7421 + ... + 205356.

Almost surely, 2^21058114136 is an apocalyptic number.

It is an amenable number.

21058114136 is a deficient number, since it is larger than the sum of its proper divisors (19156927864).

21058114136 is a wasteful number, since it uses less digits than its factorization.

21058114136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213011 (or 213007 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

Adding to 21058114136 its reverse (63141185012), we get a palindrome (84199299148).

The spelling of 21058114136 in words is "twenty-one billion, fifty-eight million, one hundred fourteen thousand, one hundred thirty-six".