133290451 has 16 divisors (see below), whose sum is σ = 160141824. Its totient is φ = 108465984.

The previous prime is 133290433. The next prime is 133290463. The reversal of 133290451 is 154092331.

It is a cyclic number.

It is not a de Polignac number, because 133290451 - 2⁵ = 133290419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133290401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19036 + ... + 25078.

It is an arithmetic number, because the mean of its divisors is an integer number (10008864).

Almost surely, 2^133290451 is an apocalyptic number.

133290451 is a deficient number, since it is larger than the sum of its proper divisors (26851373).

133290451 is a wasteful number, since it uses less digits than its factorization.

133290451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6210.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 133290451 is about 11545.1483749669. The cubic root of 133290451 is about 510.8181804956.

The spelling of 133290451 in words is "one hundred thirty-three million, two hundred ninety thousand, four hundred fifty-one".