134264602131523 has 4 divisors (see below), whose sum is σ = 134264988782008. Its totient is φ = 134264215481040.

The previous prime is 134264602131509. The next prime is 134264602131577. The reversal of 134264602131523 is 325131206462431.

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 134264602131523 - 2³³ = 134256012196931 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 134264602131523.

It is not an unprimeable number, because it can be changed into a prime (134264602531523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192803898 + ... + 193499023.

It is an arithmetic number, because the mean of its divisors is an integer number (33566247195502).

Almost surely, 2^{134264602131523} is an apocalyptic number.

134264602131523 is a deficient number, since it is larger than the sum of its proper divisors (386650485).

134264602131523 is an equidigital number, since it uses as much as digits as its factorization.

134264602131523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386650484.

The product of its (nonzero) digits is 622080, while the sum is 43.

Adding to 134264602131523 its reverse (325131206462431), we get a palindrome (459395808593954).

The spelling of 134264602131523 in words is "one hundred thirty-four trillion, two hundred sixty-four billion, six hundred two million, one hundred thirty-one thousand, five hundred twenty-three".