133764284643 has 32 divisors (see below), whose sum is σ = 195242975232. Its totient is φ = 80787780000.

The previous prime is 133764284617. The next prime is 133764284651. The reversal of 133764284643 is 346482467331.

It is a Cunningham number, because it is equal to 365738²-1.

It is not a de Polignac number, because 133764284643 - 2⁵ = 133764284611 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133764284663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12063780 + ... + 12074862.

It is an arithmetic number, because the mean of its divisors is an integer number (6101342976).

Almost surely, 2^133764284643 is an apocalyptic number.

133764284643 is a deficient number, since it is larger than the sum of its proper divisors (61478690589).

133764284643 is a wasteful number, since it uses less digits than its factorization.

133764284643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12335.

The product of its digits is 6967296, while the sum is 51.

The spelling of 133764284643 in words is "one hundred thirty-three billion, seven hundred sixty-four million, two hundred eighty-four thousand, six hundred forty-three".