133097897133 has 6 divisors (see below), whose sum is σ = 192252518094. Its totient is φ = 88731931416.

The previous prime is 133097897129. The next prime is 133097897147. The reversal of 133097897133 is 331798790331.

It is a happy number.

133097897133 is a `hidden beast` number, since 1 + 330 + 97 + 8 + 97 + 133 = 666.

It can be written as a sum of positive squares in only one way, i.e., 121942735209 + 11155161924 = 349203^2 + 105618^2 .

It is not a de Polignac number, because 133097897133 - 2² = 133097897129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 133097897133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133097897833) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7394327610 + ... + 7394327627.

It is an arithmetic number, because the mean of its divisors is an integer number (32042086349).

Almost surely, 2^133097897133 is an apocalyptic number.

It is an amenable number.

133097897133 is a deficient number, since it is larger than the sum of its proper divisors (59154620961).

133097897133 is a wasteful number, since it uses less digits than its factorization.

133097897133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14788655243 (or 14788655240 counting only the distinct ones).

The product of its (nonzero) digits is 2571912, while the sum is 54.

The spelling of 133097897133 in words is "one hundred thirty-three billion, ninety-seven million, eight hundred ninety-seven thousand, one hundred thirty-three".