134520020234 has 16 divisors (see below), whose sum is σ = 204366445800. Its totient is φ = 66402327744.

The previous prime is 134520020233. The next prime is 134520020333. The reversal of 134520020234 is 432020025431.

It can be written as a sum of positive squares in 4 ways, for example, as 132057379609 + 2462640625 = 363397^2 + 49625^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (134520020231) 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, 1053449 + ... + 1174220.

Almost surely, 2^134520020234 is an apocalyptic number.

134520020234 is a deficient number, since it is larger than the sum of its proper divisors (69846425566).

134520020234 is a wasteful number, since it uses less digits than its factorization.

134520020234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2228057.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 134520020234 its reverse (432020025431), we get a palindrome (566540045665).

The spelling of 134520020234 in words is "one hundred thirty-four billion, five hundred twenty million, twenty thousand, two hundred thirty-four".