133026172255 has 4 divisors (see below), whose sum is σ = 159631406712. Its totient is φ = 106420937800.

The previous prime is 133026172243. The next prime is 133026172271. The reversal of 133026172255 is 552271620331.

It is a happy number.

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

It is not a de Polignac number, because 133026172255 - 2⁷ = 133026172127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13302617221 + ... + 13302617230.

It is an arithmetic number, because the mean of its divisors is an integer number (39907851678).

Almost surely, 2^133026172255 is an apocalyptic number.

133026172255 is a deficient number, since it is larger than the sum of its proper divisors (26605234457).

133026172255 is an equidigital number, since it uses as much as digits as its factorization.

133026172255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26605234456.

The product of its (nonzero) digits is 75600, while the sum is 37.

Adding to 133026172255 its reverse (552271620331), we get a palindrome (685297792586).

The spelling of 133026172255 in words is "one hundred thirty-three billion, twenty-six million, one hundred seventy-two thousand, two hundred fifty-five".