133276375 has 32 divisors (see below), whose sum is σ = 175279104. Its totient is φ = 100980000.

The previous prime is 133276369. The next prime is 133276411. The reversal of 133276375 is 573672331.

It is not a de Polignac number, because 133276375 - 2¹¹ = 133274327 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433972 + ... + 434278.

It is an arithmetic number, because the mean of its divisors is an integer number (5477472).

Almost surely, 2^133276375 is an apocalyptic number.

133276375 is a deficient number, since it is larger than the sum of its proper divisors (42002729).

133276375 is a wasteful number, since it uses less digits than its factorization.

133276375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 486 counting only the distinct ones).

The product of its digits is 79380, while the sum is 37.

The square root of 133276375 is about 11544.5387521546. The cubic root of 133276375 is about 510.8001983877.

The spelling of 133276375 in words is "one hundred thirty-three million, two hundred seventy-six thousand, three hundred seventy-five".