133626606261133 has 6 divisors (see below), whose sum is σ = 138076191486222. Its totient is φ = 129316070574360.

The previous prime is 133626606261131. The next prime is 133626606261139. The reversal of 133626606261133 is 331162606626331.

It can be written as a sum of positive squares in only one way, i.e., 120062905411684 + 13563700849449 = 10957322^2 + 3682893^2 .

It is not a de Polignac number, because 133626606261133 - 2¹ = 133626606261131 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 (133626606261131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69524768166 + ... + 69524770087.

It is an arithmetic number, because the mean of its divisors is an integer number (23012698581037).

Almost surely, 2^{133626606261133} is an apocalyptic number.

It is an amenable number.

133626606261133 is a deficient number, since it is larger than the sum of its proper divisors (4449585225089).

133626606261133 is an equidigital number, since it uses as much as digits as its factorization.

133626606261133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139049538315 (or 139049538284 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 49.

The spelling of 133626606261133 in words is "one hundred thirty-three trillion, six hundred twenty-six billion, six hundred six million, two hundred sixty-one thousand, one hundred thirty-three".