134513023 has 2 divisors, whose sum is σ = 134513024. Its totient is φ = 134513022.

The previous prime is 134513011. The next prime is 134513051. The reversal of 134513023 is 320315431.

It is a weak prime.

It is an emirp because it is prime and its reverse (320315431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134513023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134512985 and 134513003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (134513623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67256511 + 67256512.

It is an arithmetic number, because the mean of its divisors is an integer number (67256512).

Almost surely, 2^134513023 is an apocalyptic number.

134513023 is a deficient number, since it is larger than the sum of its proper divisors (1).

134513023 is an equidigital number, since it uses as much as digits as its factorization.

134513023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 134513023 is about 11597.9749525510. The cubic root of 134513023 is about 512.3752119737.

Adding to 134513023 its reverse (320315431), we get a palindrome (454828454).

The spelling of 134513023 in words is "one hundred thirty-four million, five hundred thirteen thousand, twenty-three".