133531352466534 has 48 divisors (see below), whose sum is σ = 315641257761024. Its totient is φ = 40461264486000.

The previous prime is 133531352466511. The next prime is 133531352466539. The reversal of 133531352466534 is 435664253135331.

It is a happy number.

133531352466534 is a `hidden beast` number, since 1 + 3 + 3 + 5 + 3 + 1 + 3 + 524 + 66 + 53 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133531352466539) 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, 20292594 + ... + 26054789.

It is an arithmetic number, because the mean of its divisors is an integer number (6575859536688).

Almost surely, 2^{133531352466534} is an apocalyptic number.

133531352466534 is an abundant number, since it is smaller than the sum of its proper divisors (182109905294490).

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

133531352466534 is a wasteful number, since it uses less digits than its factorization.

133531352466534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46361953 (or 46361950 counting only the distinct ones).

The product of its digits is 34992000, while the sum is 54.

The spelling of 133531352466534 in words is "one hundred thirty-three trillion, five hundred thirty-one billion, three hundred fifty-two million, four hundred sixty-six thousand, five hundred thirty-four".