133675645 has 8 divisors (see below), whose sum is σ = 165942360. Its totient is φ = 103252800.

The previous prime is 133675643. The next prime is 133675649. The reversal of 133675645 is 546576331.

It can be written as a sum of positive squares in 4 ways, for example, as 5827396 + 127848249 = 2414^2 + 11307^2 .

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

It is not a de Polignac number, because 133675645 - 2¹ = 133675643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133675598 and 133675607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133675643) 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, 460806 + ... + 461095.

It is an arithmetic number, because the mean of its divisors is an integer number (20742795).

Almost surely, 2^133675645 is an apocalyptic number.

It is an amenable number.

133675645 is a deficient number, since it is larger than the sum of its proper divisors (32266715).

133675645 is an equidigital number, since it uses as much as digits as its factorization.

133675645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921935.

The product of its digits is 226800, while the sum is 40.

The square root of 133675645 is about 11561.8184123433. The cubic root of 133675645 is about 511.3097757515.

The spelling of 133675645 in words is "one hundred thirty-three million, six hundred seventy-five thousand, six hundred forty-five".