134654821 has 8 divisors (see below), whose sum is σ = 156795264. Its totient is φ = 113240400.

The previous prime is 134654771. The next prime is 134654827. The reversal of 134654821 is 128456431.

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

It is not a de Polignac number, because 134654821 - 2²¹ = 132557669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134654827) 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, 181105 + ... + 181846.

It is an arithmetic number, because the mean of its divisors is an integer number (19599408).

Almost surely, 2^134654821 is an apocalyptic number.

It is an amenable number.

134654821 is a deficient number, since it is larger than the sum of its proper divisors (22140443).

134654821 is an equidigital number, since it uses as much as digits as its factorization.

134654821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363011.

The product of its digits is 23040, while the sum is 34.

The square root of 134654821 is about 11604.0863923016. The cubic root of 134654821 is about 512.5551902492. Note that the first 3 decimals are identical.

The spelling of 134654821 in words is "one hundred thirty-four million, six hundred fifty-four thousand, eight hundred twenty-one".