133520343364 has 6 divisors (see below), whose sum is σ = 233660600894. Its totient is φ = 66760171680.

The previous prime is 133520343349. The next prime is 133520343371. The reversal of 133520343364 is 463343025331.

It can be written as a sum of positive squares in only one way, i.e., 132408654400 + 1111688964 = 363880^2 + 33342^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16690042917 + ... + 16690042924.

Almost surely, 2^133520343364 is an apocalyptic number.

It is an amenable number.

133520343364 is a deficient number, since it is larger than the sum of its proper divisors (100140257530).

133520343364 is a wasteful number, since it uses less digits than its factorization.

133520343364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33380085845 (or 33380085843 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 37.

Adding to 133520343364 its reverse (463343025331), we get a palindrome (596863368695).

The spelling of 133520343364 in words is "one hundred thirty-three billion, five hundred twenty million, three hundred forty-three thousand, three hundred sixty-four".