133451152671 has 4 divisors (see below), whose sum is σ = 177934870232. Its totient is φ = 88967435112.

The previous prime is 133451152657. The next prime is 133451152693. The reversal of 133451152671 is 176251154331.

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

It is not a de Polignac number, because 133451152671 - 2¹⁵ = 133451119903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133451152271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22241858776 + ... + 22241858781.

It is an arithmetic number, because the mean of its divisors is an integer number (44483717558).

Almost surely, 2^133451152671 is an apocalyptic number.

133451152671 is a deficient number, since it is larger than the sum of its proper divisors (44483717561).

133451152671 is an equidigital number, since it uses as much as digits as its factorization.

133451152671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44483717560.

The product of its digits is 75600, while the sum is 39.

The spelling of 133451152671 in words is "one hundred thirty-three billion, four hundred fifty-one million, one hundred fifty-two thousand, six hundred seventy-one".