133286475 has 24 divisors (see below), whose sum is σ = 251848960. Its totient is φ = 60930720.

The previous prime is 133286471. The next prime is 133286497. The reversal of 133286475 is 574682331.

It is not a de Polignac number, because 133286475 - 2² = 133286471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133286471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126415 + ... + 127464.

Almost surely, 2^133286475 is an apocalyptic number.

133286475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

133286475 is a deficient number, since it is larger than the sum of its proper divisors (118562485).

133286475 is a wasteful number, since it uses less digits than its factorization.

133286475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253899 (or 253894 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 133286475 is about 11544.9761801400. The cubic root of 133286475 is about 510.8131012788.

The spelling of 133286475 in words is "one hundred thirty-three million, two hundred eighty-six thousand, four hundred seventy-five".