134445131522 has 16 divisors (see below), whose sum is σ = 224669584440. Its totient is φ = 59911888512.

The previous prime is 134445131521. The next prime is 134445131539. The reversal of 134445131522 is 225131544431.

It can be written as a sum of positive squares in 4 ways, for example, as 74797327081 + 59647804441 = 273491^2 + 244229^2 .

It is not an unprimeable number, because it can be changed into a prime (134445131521) 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, 89153843 + ... + 89155350.

Almost surely, 2^134445131522 is an apocalyptic number.

134445131522 is a deficient number, since it is larger than the sum of its proper divisors (90224452918).

134445131522 is a wasteful number, since it uses less digits than its factorization.

134445131522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178309237.

The product of its digits is 57600, while the sum is 35.

Adding to 134445131522 its reverse (225131544431), we get a palindrome (359576675953).

The spelling of 134445131522 in words is "one hundred thirty-four billion, four hundred forty-five million, one hundred thirty-one thousand, five hundred twenty-two".