134084821 has 8 divisors (see below), whose sum is σ = 145439840. Its totient is φ = 122878512.

The previous prime is 134084809. The next prime is 134084833. The reversal of 134084821 is 128480431.

It is an interprime number because it is at equal distance from previous prime (134084809) and next prime (134084833).

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

It is a cyclic number.

It is not a de Polignac number, because 134084821 - 2⁷ = 134084693 is a prime.

It is the 11580-th Hogben number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134084891) by changing a digit.

It is a nontrivial repunit in base 11579.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35295 + ... + 38908.

It is an arithmetic number, because the mean of its divisors is an integer number (18179980).

Almost surely, 2^134084821 is an apocalyptic number.

It is an amenable number.

134084821 is a deficient number, since it is larger than the sum of its proper divisors (11355019).

134084821 is a wasteful number, since it uses less digits than its factorization.

134084821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74355.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 134084821 is about 11579.5000323848. The cubic root of 134084821 is about 511.8309441963.

The spelling of 134084821 in words is "one hundred thirty-four million, eighty-four thousand, eight hundred twenty-one".