133523414322061 has 4 divisors (see below), whose sum is σ = 141377732811612. Its totient is φ = 125669095832512.

The previous prime is 133523414322043. The next prime is 133523414322071. The reversal of 133523414322061 is 160223414325331.

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 110762595433161 + 22760818888900 = 10524381^2 + 4770830^2 .

It is a cyclic number.

It is not a de Polignac number, because 133523414322061 - 2¹³ = 133523414313869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133523414322031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3927159244750 + ... + 3927159244783.

It is an arithmetic number, because the mean of its divisors is an integer number (35344433202903).

Almost surely, 2^{133523414322061} is an apocalyptic number.

It is an amenable number.

133523414322061 is a deficient number, since it is larger than the sum of its proper divisors (7854318489551).

133523414322061 is an equidigital number, since it uses as much as digits as its factorization.

133523414322061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7854318489550.

The product of its (nonzero) digits is 311040, while the sum is 40.

Adding to 133523414322061 its reverse (160223414325331), we get a palindrome (293746828647392).

The spelling of 133523414322061 in words is "one hundred thirty-three trillion, five hundred twenty-three billion, four hundred fourteen million, three hundred twenty-two thousand, sixty-one".