21314135126 has 8 divisors (see below), whose sum is σ = 33002531904. Its totient is φ = 10313291160.

The previous prime is 21314135113. The next prime is 21314135131. The reversal of 21314135126 is 62153141312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171888125 + ... + 171888248.

It is an arithmetic number, because the mean of its divisors is an integer number (4125316488).

Almost surely, 2^21314135126 is an apocalyptic number.

21314135126 is a deficient number, since it is larger than the sum of its proper divisors (11688396778).

21314135126 is a wasteful number, since it uses less digits than its factorization.

21314135126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343776406.

The product of its digits is 4320, while the sum is 29.

Adding to 21314135126 its reverse (62153141312), we get a palindrome (83467276438).

The spelling of 21314135126 in words is "twenty-one billion, three hundred fourteen million, one hundred thirty-five thousand, one hundred twenty-six".