133488106165 has 4 divisors (see below), whose sum is σ = 160185727404. Its totient is φ = 106790484928.

The previous prime is 133488106151. The next prime is 133488106207. The reversal of 133488106165 is 561601884331.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63985220209 + 69502885956 = 252953^2 + 263634^2 .

It is a cyclic number.

It is not a de Polignac number, because 133488106165 - 2²³ = 133479717557 is a prime.

It is a super-2 number, since 2×133488106165² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13348810612 + ... + 13348810621.

It is an arithmetic number, because the mean of its divisors is an integer number (40046431851).

Almost surely, 2^133488106165 is an apocalyptic number.

It is an amenable number.

133488106165 is a deficient number, since it is larger than the sum of its proper divisors (26697621239).

133488106165 is an equidigital number, since it uses as much as digits as its factorization.

133488106165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26697621238.

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 133488106165 in words is "one hundred thirty-three billion, four hundred eighty-eight million, one hundred six thousand, one hundred sixty-five".