133454633 has 8 divisors (see below), whose sum is σ = 145144776. Its totient is φ = 121968000.

The previous prime is 133454627. The next prime is 133454639. The reversal of 133454633 is 336454331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (133454627) and next prime (133454639).

It can be written as a sum of positive squares in 4 ways, for example, as 4700224 + 128754409 = 2168^2 + 11347^2 .

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 133454633 - 2¹⁰ = 133453609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133454633.

It is not an unprimeable number, because it can be changed into a prime (133454639) 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, 49508 + ... + 52133.

It is an arithmetic number, because the mean of its divisors is an integer number (18143097).

Almost surely, 2^133454633 is an apocalyptic number.

133454633 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

133454633 is a deficient number, since it is larger than the sum of its proper divisors (11690143).

133454633 is a wasteful number, since it uses less digits than its factorization.

133454633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101755.

The product of its digits is 38880, while the sum is 32.

The square root of 133454633 is about 11552.2566193796. The cubic root of 133454633 is about 511.0278297707.

The spelling of 133454633 in words is "one hundred thirty-three million, four hundred fifty-four thousand, six hundred thirty-three".