133975465 has 8 divisors (see below), whose sum is σ = 173137608. Its totient is φ = 98935680.

The previous prime is 133975463. The next prime is 133975481. The reversal of 133975465 is 564579331.

It can be written as a sum of positive squares in 4 ways, for example, as 29506624 + 104468841 = 5432^2 + 10221^2 .

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

It is not a de Polignac number, because 133975465 - 2¹ = 133975463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133975463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1030516 + ... + 1030645.

It is an arithmetic number, because the mean of its divisors is an integer number (21642201).

Almost surely, 2^133975465 is an apocalyptic number.

It is an amenable number.

133975465 is a deficient number, since it is larger than the sum of its proper divisors (39162143).

133975465 is a wasteful number, since it uses less digits than its factorization.

133975465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061179.

The product of its digits is 340200, while the sum is 43.

The square root of 133975465 is about 11574.7771036854. Note that the first 3 decimals coincide. The cubic root of 133975465 is about 511.6917611339.

The spelling of 133975465 in words is "one hundred thirty-three million, nine hundred seventy-five thousand, four hundred sixty-five".