133456553253513 has 24 divisors (see below), whose sum is σ = 221660821157568. Its totient is φ = 75793029361632.

The previous prime is 133456553253509. The next prime is 133456553253587. The reversal of 133456553253513 is 315352355654331.

133456553253513 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 5 + 6 + 5 + 532 + 53 + 51 + 3 = 666.

It is not a de Polignac number, because 133456553253513 - 2² = 133456553253509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133456553253513.

It is not an unprimeable number, because it can be changed into a prime (133456553253113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6498020370 + ... + 6498040907.

It is an arithmetic number, because the mean of its divisors is an integer number (9235867548232).

Almost surely, 2^{133456553253513} is an apocalyptic number.

It is an amenable number.

133456553253513 is a deficient number, since it is larger than the sum of its proper divisors (88204267904055).

133456553253513 is a wasteful number, since it uses less digits than its factorization.

133456553253513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12996061453 (or 12996061450 counting only the distinct ones).

The product of its digits is 36450000, while the sum is 54.

The spelling of 133456553253513 in words is "one hundred thirty-three trillion, four hundred fifty-six billion, five hundred fifty-three million, two hundred fifty-three thousand, five hundred thirteen".