134521323 has 8 divisors (see below), whose sum is σ = 189912528. Its totient is φ = 84405504.

The previous prime is 134521297. The next prime is 134521333. The reversal of 134521323 is 323125431.

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

It is not a de Polignac number, because 134521323 - 2⁵ = 134521291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 134521293 and 134521302.

It is not an unprimeable number, because it can be changed into a prime (134521333) 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 in 7 ways as a sum of consecutive naturals, for example, 1318786 + ... + 1318887.

It is an arithmetic number, because the mean of its divisors is an integer number (23739066).

Almost surely, 2^134521323 is an apocalyptic number.

134521323 is a deficient number, since it is larger than the sum of its proper divisors (55391205).

134521323 is a wasteful number, since it uses less digits than its factorization.

134521323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637693.

The product of its digits is 2160, while the sum is 24.

The square root of 134521323 is about 11598.3327681180. The cubic root of 134521323 is about 512.3857503010.

Adding to 134521323 its reverse (323125431), we get a palindrome (457646754).

The spelling of 134521323 in words is "one hundred thirty-four million, five hundred twenty-one thousand, three hundred twenty-three".