134404154020221 has 8 divisors (see below), whose sum is σ = 179218469374560. Its totient is φ = 89596304006352.

The previous prime is 134404154020193. The next prime is 134404154020243. The reversal of 134404154020221 is 122020451404431.

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

It is not a de Polignac number, because 134404154020221 - 2⁷ = 134404154020093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134404154022221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616286610 + ... + 1616369763.

It is an arithmetic number, because the mean of its divisors is an integer number (22402308671820).

Almost surely, 2^{134404154020221} is an apocalyptic number.

It is an amenable number.

134404154020221 is a deficient number, since it is larger than the sum of its proper divisors (44814315354339).

134404154020221 is a wasteful number, since it uses less digits than its factorization.

134404154020221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232670235.

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 134404154020221 in words is "one hundred thirty-four trillion, four hundred four billion, one hundred fifty-four million, twenty thousand, two hundred twenty-one".