133526234330465 has 4 divisors (see below), whose sum is σ = 160231481196564. Its totient is φ = 106820987464368.

The previous prime is 133526234330459. The next prime is 133526234330501. The reversal of 133526234330465 is 564033432625331.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23870738721361 + 109655495609104 = 4885769^2 + 10471652^2 .

It is a cyclic number.

It is not a de Polignac number, because 133526234330465 - 2⁴ = 133526234330449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13352623433042 + ... + 13352623433051.

It is an arithmetic number, because the mean of its divisors is an integer number (40057870299141).

Almost surely, 2^{133526234330465} is an apocalyptic number.

It is an amenable number.

133526234330465 is a deficient number, since it is larger than the sum of its proper divisors (26705246866099).

133526234330465 is an equidigital number, since it uses as much as digits as its factorization.

133526234330465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26705246866098.

The product of its (nonzero) digits is 13996800, while the sum is 50.

Adding to 133526234330465 its reverse (564033432625331), we get a palindrome (697559666955796).

The spelling of 133526234330465 in words is "one hundred thirty-three trillion, five hundred twenty-six billion, two hundred thirty-four million, three hundred thirty thousand, four hundred sixty-five".