133546345464331 has 4 divisors (see below), whose sum is σ = 133546930240464. Its totient is φ = 133545760688200.

The previous prime is 133546345464299. The next prime is 133546345464349. The reversal of 133546345464331 is 133464543645331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133546345464331 - 2⁵ = 133546345464299 is a prime.

It is a super-2 number, since 2×133546345464331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133546345414331) 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, 292045375 + ... + 292502296.

It is an arithmetic number, because the mean of its divisors is an integer number (33386732560116).

Almost surely, 2^{133546345464331} is an apocalyptic number.

133546345464331 is a deficient number, since it is larger than the sum of its proper divisors (584776133).

133546345464331 is an equidigital number, since it uses as much as digits as its factorization.

133546345464331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584776132.

The product of its digits is 55987200, while the sum is 55.

The spelling of 133546345464331 in words is "one hundred thirty-three trillion, five hundred forty-six billion, three hundred forty-five million, four hundred sixty-four thousand, three hundred thirty-one".