133707485 has 4 divisors (see below), whose sum is σ = 160448988. Its totient is φ = 106965984.

The previous prime is 133707481. The next prime is 133707491. The reversal of 133707485 is 584707331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13980121 + 119727364 = 3739^2 + 10942^2 .

It is a cyclic number.

It is not a de Polignac number, because 133707485 - 2² = 133707481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133707481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13370744 + ... + 13370753.

It is an arithmetic number, because the mean of its divisors is an integer number (40112247).

Almost surely, 2^133707485 is an apocalyptic number.

It is an amenable number.

133707485 is a deficient number, since it is larger than the sum of its proper divisors (26741503).

133707485 is an equidigital number, since it uses as much as digits as its factorization.

133707485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26741502.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 133707485 is about 11563.1952763931. The cubic root of 133707485 is about 511.3503685632.

The spelling of 133707485 in words is "one hundred thirty-three million, seven hundred seven thousand, four hundred eighty-five".