133312540432 has 20 divisors (see below), whose sum is σ = 261831310300. Its totient is φ = 65743170048.

The previous prime is 133312540429. The next prime is 133312540433. The reversal of 133312540432 is 234045213331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51781733136 + 81530807296 = 227556^2 + 285536^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133312540394 and 133312540403.

It is not an unprimeable number, because it can be changed into a prime (133312540433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57067557 + ... + 57069892.

It is an arithmetic number, because the mean of its divisors is an integer number (13091565515).

Almost surely, 2^133312540432 is an apocalyptic number.

It is an amenable number.

133312540432 is a deficient number, since it is larger than the sum of its proper divisors (128518769868).

133312540432 is a wasteful number, since it uses less digits than its factorization.

133312540432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114137530 (or 114137524 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 133312540432 its reverse (234045213331), we get a palindrome (367357753763).

The spelling of 133312540432 in words is "one hundred thirty-three billion, three hundred twelve million, five hundred forty thousand, four hundred thirty-two".