133231513454535 has 8 divisors (see below), whose sum is σ = 213170421527280. Its totient is φ = 71056807175744.

The previous prime is 133231513454513. The next prime is 133231513454579. The reversal of 133231513454535 is 535454315132331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133231513454535 - 2¹¹ = 133231513452487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4441050448470 + ... + 4441050448499.

It is an arithmetic number, because the mean of its divisors is an integer number (26646302690910).

Almost surely, 2^{133231513454535} is an apocalyptic number.

133231513454535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133231513454535 is a deficient number, since it is larger than the sum of its proper divisors (79938908072745).

133231513454535 is an equidigital number, since it uses as much as digits as its factorization.

133231513454535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8882100896977.

The product of its digits is 4860000, while the sum is 48.

Adding to 133231513454535 its reverse (535454315132331), we get a palindrome (668685828586866).

The spelling of 133231513454535 in words is "one hundred thirty-three trillion, two hundred thirty-one billion, five hundred thirteen million, four hundred fifty-four thousand, five hundred thirty-five".