133452671 has 8 divisors (see below), whose sum is σ = 146999424. Its totient is φ = 120141720.

The previous prime is 133452667. The next prime is 133452679. The reversal of 133452671 is 176254331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133452671 - 2² = 133452667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133452679) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 57761 + ... + 60026.

It is an arithmetic number, because the mean of its divisors is an integer number (18374928).

Almost surely, 2^133452671 is an apocalyptic number.

133452671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

133452671 is a deficient number, since it is larger than the sum of its proper divisors (13546753).

133452671 is a wasteful number, since it uses less digits than its factorization.

133452671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117901.

The product of its digits is 15120, while the sum is 32.

The square root of 133452671 is about 11552.1717005938. The cubic root of 133452671 is about 511.0253254452.

The spelling of 133452671 in words is "one hundred thirty-three million, four hundred fifty-two thousand, six hundred seventy-one".