133265524656 has 80 divisors (see below), whose sum is σ = 375615244800. Its totient is φ = 40378248960.

The previous prime is 133265524631. The next prime is 133265524661. The reversal of 133265524656 is 656425562331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 6522745 + ... + 6543143.

It is an arithmetic number, because the mean of its divisors is an integer number (4695190560).

Almost surely, 2^133265524656 is an apocalyptic number.

133265524656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

133265524656 is an abundant number, since it is smaller than the sum of its proper divisors (242349720144).

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

133265524656 is a wasteful number, since it uses less digits than its factorization.

133265524656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32794 (or 32788 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 48.

The spelling of 133265524656 in words is "one hundred thirty-three billion, two hundred sixty-five million, five hundred twenty-four thousand, six hundred fifty-six".