21134040035 has 8 divisors (see below), whose sum is σ = 25361687520. Its totient is φ = 16906672384.

The previous prime is 21134040019. The next prime is 21134040041. The reversal of 21134040035 is 53004043112.

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 21134040035 - 2⁴ = 21134040019 is a prime.

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, 172754 + ... + 268536.

It is an arithmetic number, because the mean of its divisors is an integer number (3170210940).

Almost surely, 2^21134040035 is an apocalyptic number.

21134040035 is a deficient number, since it is larger than the sum of its proper divisors (4227647485).

21134040035 is an equidigital number, since it uses as much as digits as its factorization.

21134040035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139917.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 21134040035 its reverse (53004043112), we get a palindrome (74138083147).

The spelling of 21134040035 in words is "twenty-one billion, one hundred thirty-four million, forty thousand, thirty-five".