133704545 has 8 divisors (see below), whose sum is σ = 172787496. Its totient is φ = 98735616.

The previous prime is 133704533. The next prime is 133704547. The reversal of 133704545 is 545407331.

It can be written as a sum of positive squares in 4 ways, for example, as 13845841 + 119858704 = 3721^2 + 10948^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 133704545 - 2⁶ = 133704481 is a prime.

It is a super-4 number, since 4×133704545⁴ (a number of 34 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133704547) 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, 1028432 + ... + 1028561.

It is an arithmetic number, because the mean of its divisors is an integer number (21598437).

Almost surely, 2^133704545 is an apocalyptic number.

It is an amenable number.

133704545 is a deficient number, since it is larger than the sum of its proper divisors (39082951).

133704545 is a wasteful number, since it uses less digits than its factorization.

133704545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057011.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 133704545 is about 11563.0681482036. The cubic root of 133704545 is about 511.3466206277.

The spelling of 133704545 in words is "one hundred thirty-three million, seven hundred four thousand, five hundred forty-five".