133471275 has 96 divisors (see below), whose sum is σ = 266649600. Its totient is φ = 57628800.

The previous prime is 133471259. The next prime is 133471279. The reversal of 133471275 is 572174331.

It is not a de Polignac number, because 133471275 - 2⁴ = 133471259 is a prime.

Together with 133178325 it forms an amicable pair .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133471279) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 960156 + ... + 960294.

It is an arithmetic number, because the mean of its divisors is an integer number (2777600).

Almost surely, 2^133471275 is an apocalyptic number.

133471275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133471275 is a deficient number, since it is larger than the sum of its proper divisors (133178325).

133471275 is a wasteful number, since it uses less digits than its factorization.

133471275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 244 counting only the distinct ones).

The product of its digits is 17640, while the sum is 33.

The square root of 133471275 is about 11552.9768890966. The cubic root of 133471275 is about 511.0490708758.

The spelling of 133471275 in words is "one hundred thirty-three million, four hundred seventy-one thousand, two hundred seventy-five".