131535205133 has 4 divisors (see below), whose sum is σ = 133387813728. Its totient is φ = 129682596540.

The previous prime is 131535205097. The next prime is 131535205169. The reversal of 131535205133 is 331502535131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (131535205097) and next prime (131535205169).

It is a cyclic number.

It is not a de Polignac number, because 131535205133 - 2⁶ = 131535205069 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 131535205133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131535205183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926304191 + ... + 926304332.

It is an arithmetic number, because the mean of its divisors is an integer number (33346953432).

Almost surely, 2^131535205133 is an apocalyptic number.

It is an amenable number.

131535205133 is a deficient number, since it is larger than the sum of its proper divisors (1852608595).

131535205133 is an equidigital number, since it uses as much as digits as its factorization.

131535205133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852608594.

The product of its (nonzero) digits is 20250, while the sum is 32.

The spelling of 131535205133 in words is "one hundred thirty-one billion, five hundred thirty-five million, two hundred five thousand, one hundred thirty-three".