133628485 has 16 divisors (see below), whose sum is σ = 163526400. Its totient is φ = 104803776.

The previous prime is 133628479. The next prime is 133628519. The reversal of 133628485 is 584826331.

It is a cyclic number.

It is not a de Polignac number, because 133628485 - 2⁷ = 133628357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79231 + ... + 80899.

It is an arithmetic number, because the mean of its divisors is an integer number (10220400).

Almost surely, 2^133628485 is an apocalyptic number.

It is an amenable number.

133628485 is a deficient number, since it is larger than the sum of its proper divisors (29897915).

133628485 is a wasteful number, since it uses less digits than its factorization.

133628485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980.

The product of its digits is 138240, while the sum is 40.

The square root of 133628485 is about 11559.7787608587. The cubic root of 133628485 is about 511.2496396281.

The spelling of 133628485 in words is "one hundred thirty-three million, six hundred twenty-eight thousand, four hundred eighty-five".