133252790169 has 4 divisors (see below), whose sum is σ = 177670386896. Its totient is φ = 88835193444.

The previous prime is 133252790119. The next prime is 133252790183. The reversal of 133252790169 is 961097252331.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 133252790169 - 2¹¹ = 133252788121 is a prime.

It is a super-2 number, since 2×133252790169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133252790119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22208798359 + ... + 22208798364.

It is an arithmetic number, because the mean of its divisors is an integer number (44417596724).

Almost surely, 2^133252790169 is an apocalyptic number.

It is an amenable number.

133252790169 is a deficient number, since it is larger than the sum of its proper divisors (44417596727).

133252790169 is an equidigital number, since it uses as much as digits as its factorization.

133252790169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44417596726.

The product of its (nonzero) digits is 612360, while the sum is 48.

The spelling of 133252790169 in words is "one hundred thirty-three billion, two hundred fifty-two million, seven hundred ninety thousand, one hundred sixty-nine".