133570745 has 32 divisors (see below), whose sum is σ = 200828160. Its totient is φ = 82851840.

The previous prime is 133570739. The next prime is 133570769. The reversal of 133570745 is 547075331.

It is not a de Polignac number, because 133570745 - 2¹⁰ = 133569721 is a prime.

It is a super-2 number, since 2×133570745² = 35682287839710050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88961 + ... + 90449.

It is an arithmetic number, because the mean of its divisors is an integer number (6275880).

Almost surely, 2^133570745 is an apocalyptic number.

It is an amenable number.

133570745 is a deficient number, since it is larger than the sum of its proper divisors (67257415).

133570745 is a wasteful number, since it uses less digits than its factorization.

133570745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745.

The product of its (nonzero) digits is 44100, while the sum is 35.

The square root of 133570745 is about 11557.2810383758. The cubic root of 133570745 is about 511.1759931373.

The spelling of 133570745 in words is "one hundred thirty-three million, five hundred seventy thousand, seven hundred forty-five".