134183021 has 12 divisors (see below), whose sum is σ = 156502620. Its totient is φ = 114710400.

The previous prime is 134183017. The next prime is 134183059. The reversal of 134183021 is 120381431.

It can be written as a sum of positive squares in 2 ways, for example, as 111724900 + 22458121 = 10570^2 + 4739^2 .

It is not a de Polignac number, because 134183021 - 2² = 134183017 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 (134180021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16235 + ... + 23063.

It is an arithmetic number, because the mean of its divisors is an integer number (13041885).

Almost surely, 2^134183021 is an apocalyptic number.

It is an amenable number.

134183021 is a deficient number, since it is larger than the sum of its proper divisors (22319599).

134183021 is an equidigital number, since it uses as much as digits as its factorization.

134183021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7244 (or 7237 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 134183021 is about 11583.7395084662. The cubic root of 134183021 is about 511.9558639628.

The spelling of 134183021 in words is "one hundred thirty-four million, one hundred eighty-three thousand, twenty-one".