134393522 has 4 divisors (see below), whose sum is σ = 201590286. Its totient is φ = 67196760.

The previous prime is 134393477. The next prime is 134393527. The reversal of 134393522 is 225393431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 129937201 + 4456321 = 11399^2 + 2111^2 .

It is not an unprimeable number, because it can be changed into a prime (134393527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33598379 + ... + 33598382.

Almost surely, 2^134393522 is an apocalyptic number.

134393522 is a deficient number, since it is larger than the sum of its proper divisors (67196764).

134393522 is an equidigital number, since it uses as much as digits as its factorization.

134393522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67196763.

The product of its digits is 19440, while the sum is 32.

The square root of 134393522 is about 11592.8220032915. The cubic root of 134393522 is about 512.2234361090.

Subtracting 134393522 from its reverse (225393431), we obtain a palindrome (90999909).

It can be divided in two parts, 13439 and 3522, that added together give a palindrome (16961).

The spelling of 134393522 in words is "one hundred thirty-four million, three hundred ninety-three thousand, five hundred twenty-two".