134564220433 has 4 divisors (see below), whose sum is σ = 134565290608. Its totient is φ = 134563150260.

The previous prime is 134564220431. The next prime is 134564220449. The reversal of 134564220433 is 334022465431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 134564220433 - 2¹ = 134564220431 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134564220392 and 134564220401.

It is not an unprimeable number, because it can be changed into a prime (134564220431) 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, 316791 + ... + 607852.

It is an arithmetic number, because the mean of its divisors is an integer number (33641322652).

Almost surely, 2^134564220433 is an apocalyptic number.

It is an amenable number.

134564220433 is a deficient number, since it is larger than the sum of its proper divisors (1070175).

134564220433 is an equidigital number, since it uses as much as digits as its factorization.

134564220433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070174.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 134564220433 its reverse (334022465431), we get a palindrome (468586685864).

The spelling of 134564220433 in words is "one hundred thirty-four billion, five hundred sixty-four million, two hundred twenty thousand, four hundred thirty-three".