134146612221 has 16 divisors (see below), whose sum is σ = 185959632000. Its totient is φ = 85913327808.

The previous prime is 134146612219. The next prime is 134146612283. The reversal of 134146612221 is 122216641431.

It is a happy number.

It is not a de Polignac number, because 134146612221 - 2¹ = 134146612219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134146612121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3856846 + ... + 3891471.

It is an arithmetic number, because the mean of its divisors is an integer number (11622477000).

Almost surely, 2^134146612221 is an apocalyptic number.

It is an amenable number.

134146612221 is a deficient number, since it is larger than the sum of its proper divisors (51813019779).

134146612221 is a wasteful number, since it uses less digits than its factorization.

134146612221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7748548.

The product of its digits is 13824, while the sum is 33.

The spelling of 134146612221 in words is "one hundred thirty-four billion, one hundred forty-six million, six hundred twelve thousand, two hundred twenty-one".