134426645032221 has 32 divisors (see below), whose sum is σ = 199504931644800. Its totient is φ = 89458321812480.

The previous prime is 134426645032219. The next prime is 134426645032231. The reversal of 134426645032221 is 122230546624431.

134426645032221 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 266 + 45 + 0 + 322 + 21 = 666.

It is not a de Polignac number, because 134426645032221 - 2¹ = 134426645032219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134426645032231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 358456750 + ... + 358831568.

It is an arithmetic number, because the mean of its divisors is an integer number (6234529113900).

Almost surely, 2^{134426645032221} is an apocalyptic number.

It is an amenable number.

134426645032221 is a deficient number, since it is larger than the sum of its proper divisors (65078286612579).

134426645032221 is a wasteful number, since it uses less digits than its factorization.

134426645032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398426 (or 398420 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

The spelling of 134426645032221 in words is "one hundred thirty-four trillion, four hundred twenty-six billion, six hundred forty-five million, thirty-two thousand, two hundred twenty-one".