133635753133 has 4 divisors (see below), whose sum is σ = 136895161788. Its totient is φ = 130376344480.

The previous prime is 133635753089. The next prime is 133635753221. The reversal of 133635753133 is 331357536331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331357536331 = 43 ⋅7705989217.

It can be written as a sum of positive squares in 2 ways, for example, as 23844918724 + 109790834409 = 154418^2 + 331347^2 .

It is a cyclic number.

It is not a de Polignac number, because 133635753133 - 2¹⁷ = 133635622061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133635753133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133635753833) 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, 1629704266 + ... + 1629704347.

It is an arithmetic number, because the mean of its divisors is an integer number (34223790447).

Almost surely, 2^133635753133 is an apocalyptic number.

It is an amenable number.

133635753133 is a deficient number, since it is larger than the sum of its proper divisors (3259408655).

133635753133 is an equidigital number, since it uses as much as digits as its factorization.

133635753133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259408654.

The product of its digits is 765450, while the sum is 43.

The spelling of 133635753133 in words is "one hundred thirty-three billion, six hundred thirty-five million, seven hundred fifty-three thousand, one hundred thirty-three".