134235522563 has 4 divisors (see below), whose sum is σ = 134252902560. Its totient is φ = 134218142568.

The previous prime is 134235522559. The next prime is 134235522583. The reversal of 134235522563 is 365225532431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 365225532431 = 107 ⋅3413322733.

It is a cyclic number.

It is not a de Polignac number, because 134235522563 - 2² = 134235522559 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 134235522563.

It is not an unprimeable number, because it can be changed into a prime (134235522583) 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, 8678408 + ... + 8693861.

It is an arithmetic number, because the mean of its divisors is an integer number (33563225640).

Almost surely, 2^134235522563 is an apocalyptic number.

134235522563 is a deficient number, since it is larger than the sum of its proper divisors (17379997).

134235522563 is an equidigital number, since it uses as much as digits as its factorization.

134235522563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17379996.

The product of its digits is 648000, while the sum is 41.

The spelling of 134235522563 in words is "one hundred thirty-four billion, two hundred thirty-five million, five hundred twenty-two thousand, five hundred sixty-three".