133531214563505 has 32 divisors (see below), whose sum is σ = 185088137875200. Its totient is φ = 91400540958720.

The previous prime is 133531214563489. The next prime is 133531214563543. The reversal of 133531214563505 is 505365412135331.

It is not a de Polignac number, because 133531214563505 - 2⁴ = 133531214563489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133531214563505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 263956796 + ... + 264462194.

It is an arithmetic number, because the mean of its divisors is an integer number (5784004308600).

Almost surely, 2^{133531214563505} is an apocalyptic number.

It is an amenable number.

133531214563505 is a deficient number, since it is larger than the sum of its proper divisors (51556923311695).

133531214563505 is a wasteful number, since it uses less digits than its factorization.

133531214563505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788009.

The product of its (nonzero) digits is 2430000, while the sum is 47.

Adding to 133531214563505 its reverse (505365412135331), we get a palindrome (638896626698836).

The spelling of 133531214563505 in words is "one hundred thirty-three trillion, five hundred thirty-one billion, two hundred fourteen million, five hundred sixty-three thousand, five hundred five".