134130023 has 4 divisors (see below), whose sum is σ = 134468280. Its totient is φ = 133791768.

The previous prime is 134130019. The next prime is 134130037. The reversal of 134130023 is 320031431.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 134130023 - 2² = 134130019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134129983 and 134130010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134130013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168533 + ... + 169326.

It is an arithmetic number, because the mean of its divisors is an integer number (33617070).

Almost surely, 2^134130023 is an apocalyptic number.

134130023 is a deficient number, since it is larger than the sum of its proper divisors (338257).

134130023 is an equidigital number, since it uses as much as digits as its factorization.

134130023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338256.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 134130023 is about 11581.4516793017. The cubic root of 134130023 is about 511.8884530250. Note that the first 3 decimals are identical.

Adding to 134130023 its reverse (320031431), we get a palindrome (454161454).

The spelling of 134130023 in words is "one hundred thirty-four million, one hundred thirty thousand, twenty-three".