133265538378852 has 48 divisors (see below), whose sum is σ = 339257572625664. Its totient is φ = 40379186692000.

The previous prime is 133265538378827. The next prime is 133265538378887. The reversal of 133265538378852 is 258873835562331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52630674 + ... + 55104617.

It is an arithmetic number, because the mean of its divisors is an integer number (7067866096368).

Almost surely, 2^{133265538378852} is an apocalyptic number.

133265538378852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133265538378852 is an abundant number, since it is smaller than the sum of its proper divisors (205992034246812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133265538378852 is a wasteful number, since it uses less digits than its factorization.

133265538378852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107744680 (or 107744678 counting only the distinct ones).

The product of its digits is 870912000, while the sum is 69.

The spelling of 133265538378852 in words is "one hundred thirty-three trillion, two hundred sixty-five billion, five hundred thirty-eight million, three hundred seventy-eight thousand, eight hundred fifty-two".