133134747 has 8 divisors (see below), whose sum is σ = 177615360. Its totient is φ = 88705320.

The previous prime is 133134733. The next prime is 133134761. The reversal of 133134747 is 747431331.

It is an interprime number because it is at equal distance from previous prime (133134733) and next prime (133134761).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133134747 - 2⁷ = 133134619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133134707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6247 + ... + 17472.

It is an arithmetic number, because the mean of its divisors is an integer number (22201920).

Almost surely, 2^133134747 is an apocalyptic number.

133134747 is a deficient number, since it is larger than the sum of its proper divisors (44480613).

133134747 is a wasteful number, since it uses less digits than its factorization.

133134747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25593.

The product of its digits is 21168, while the sum is 33.

The square root of 133134747 is about 11538.4031390830. The cubic root of 133134747 is about 510.6191979383.

The spelling of 133134747 in words is "one hundred thirty-three million, one hundred thirty-four thousand, seven hundred forty-seven".