133253468602418 has 32 divisors (see below), whose sum is σ = 214432361262000. Its totient is φ = 61883219533824.

The previous prime is 133253468602351. The next prime is 133253468602447. The reversal of 133253468602418 is 814206864352331.

It can be written as a sum of positive squares in 8 ways, for example, as 57589688131369 + 75663780471049 = 7588787^2 + 8698493^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56734853 + ... + 59036856.

Almost surely, 2^{133253468602418} is an apocalyptic number.

133253468602418 is a deficient number, since it is larger than the sum of its proper divisors (81178892659582).

133253468602418 is a wasteful number, since it uses less digits than its factorization.

133253468602418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115772174.

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 133253468602418 in words is "one hundred thirty-three trillion, two hundred fifty-three billion, four hundred sixty-eight million, six hundred two thousand, four hundred eighteen".