134100000021 has 16 divisors (see below), whose sum is σ = 193000631040. Its totient is φ = 82331597760.

The previous prime is 134100000017. The next prime is 134100000059. The reversal of 134100000021 is 120000001431.

It is a happy number.

It is not a de Polignac number, because 134100000021 - 2² = 134100000017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134099999952 and 134100000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134100000061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3972126 + ... + 4005743.

It is an arithmetic number, because the mean of its divisors is an integer number (12062539440).

Almost surely, 2^134100000021 is an apocalyptic number.

It is an amenable number.

134100000021 is a deficient number, since it is larger than the sum of its proper divisors (58900631019).

134100000021 is a wasteful number, since it uses less digits than its factorization.

134100000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7978316.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 134100000021 its reverse (120000001431), we get a palindrome (254100001452).

The spelling of 134100000021 in words is "one hundred thirty-four billion, one hundred million, twenty-one", and thus it is an aban number.