133574735 has 12 divisors (see below), whose sum is σ = 186459768. Its totient is φ = 91593936.

The previous prime is 133574717. The next prime is 133574741. The reversal of 133574735 is 537475331.

It is a happy number.

It is not a de Polignac number, because 133574735 - 2⁸ = 133574479 is a prime.

It is a Smith number, since the sum of its digits (38) 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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 272357 + ... + 272846.

It is an arithmetic number, because the mean of its divisors is an integer number (15538314).

Almost surely, 2^133574735 is an apocalyptic number.

133574735 is a deficient number, since it is larger than the sum of its proper divisors (52885033).

133574735 is an equidigital number, since it uses as much as digits as its factorization.

133574735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545222 (or 545215 counting only the distinct ones).

The product of its digits is 132300, while the sum is 38.

The square root of 133574735 is about 11557.4536555420. The cubic root of 133574735 is about 511.1810830041.

The spelling of 133574735 in words is "one hundred thirty-three million, five hundred seventy-four thousand, seven hundred thirty-five".