133145155264 has 84 divisors (see below), whose sum is σ = 293289648624. Its totient is φ = 59920960000.

The previous prime is 133145155259. The next prime is 133145155271. The reversal of 133145155264 is 462551541331.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 697029 + ... + 867259.

It is an arithmetic number, because the mean of its divisors is an integer number (3491543436).

Almost surely, 2^133145155264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133145155264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146644824312).

133145155264 is an abundant number, since it is smaller than the sum of its proper divisors (160144493360).

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

133145155264 is a wasteful number, since it uses less digits than its factorization.

133145155264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170366 (or 170345 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

Adding to 133145155264 its reverse (462551541331), we get a palindrome (595696696595).

The spelling of 133145155264 in words is "one hundred thirty-three billion, one hundred forty-five million, one hundred fifty-five thousand, two hundred sixty-four".