134564220434 has 16 divisors (see below), whose sum is σ = 230701106688. Its totient is φ = 57665483712.

The previous prime is 134564220431. The next prime is 134564220449. The reversal of 134564220434 is 434022465431.

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 7 ways as a sum of consecutive naturals, for example, 234722 + ... + 569405.

It is an arithmetic number, because the mean of its divisors is an integer number (14418819168).

Almost surely, 2^134564220434 is an apocalyptic number.

134564220434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

134564220434 is a deficient number, since it is larger than the sum of its proper divisors (96136886254).

134564220434 is a wasteful number, since it uses less digits than its factorization.

134564220434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816089.

The product of its (nonzero) digits is 276480, while the sum is 38.

Adding to 134564220434 its reverse (434022465431), we get a palindrome (568586685865).

The spelling of 134564220434 in words is "one hundred thirty-four billion, five hundred sixty-four million, two hundred twenty thousand, four hundred thirty-four".