133142211001566 has 128 divisors (see below), whose sum is σ = 341164649347200. Its totient is φ = 38123795128320.

The previous prime is 133142211001537. The next prime is 133142211001573. The reversal of 133142211001566 is 665100112241331.

133142211001566 is a `hidden beast` number, since 1 + 3 + 31 + 42 + 21 + 1 + 0 + 0 + 1 + 566 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 133142211001566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61615095 + ... + 63739346.

It is an arithmetic number, because the mean of its divisors is an integer number (2665348823025).

Almost surely, 2^{133142211001566} is an apocalyptic number.

133142211001566 is an abundant number, since it is smaller than the sum of its proper divisors (208022438345634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133142211001566 is a wasteful number, since it uses less digits than its factorization.

133142211001566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125354571 (or 125354565 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 133142211001566 its reverse (665100112241331), we get a palindrome (798242323242897).

The spelling of 133142211001566 in words is "one hundred thirty-three trillion, one hundred forty-two billion, two hundred eleven million, one thousand, five hundred sixty-six".