133472547 has 24 divisors (see below), whose sum is σ = 208060944. Its totient is φ = 81964224.

The previous prime is 133472539. The next prime is 133472567. The reversal of 133472547 is 745274331.

133472547 is a `hidden beast` number, since 13 + 34 + 72 + 547 = 666.

It is not a de Polignac number, because 133472547 - 2³ = 133472539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133472567) 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, 75528 + ... + 77274.

It is an arithmetic number, because the mean of its divisors is an integer number (8669206).

Almost surely, 2^133472547 is an apocalyptic number.

133472547 is a deficient number, since it is larger than the sum of its proper divisors (74588397).

133472547 is a wasteful number, since it uses less digits than its factorization.

133472547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419 (or 2416 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 133472547 is about 11553.0319397118. The cubic root of 133472547 is about 511.0506943271.

The spelling of 133472547 in words is "one hundred thirty-three million, four hundred seventy-two thousand, five hundred forty-seven".