133634330 has 8 divisors (see below), whose sum is σ = 240541812. Its totient is φ = 53453728.

The previous prime is 133634323. The next prime is 133634339. The reversal of 133634330 is 33436331.

It can be written as a sum of positive squares in 2 ways, for example, as 133148521 + 485809 = 11539^2 + 697^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 133634330.

It is not an unprimeable number, because it can be changed into a prime (133634339) 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, 6681707 + ... + 6681726.

Almost surely, 2^133634330 is an apocalyptic number.

133634330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133634330 is a deficient number, since it is larger than the sum of its proper divisors (106907482).

133634330 is a wasteful number, since it uses less digits than its factorization.

133634330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13363440.

The product of its (nonzero) digits is 5832, while the sum is 26.

The square root of 133634330 is about 11560.0315743513. The cubic root of 133634330 is about 511.2570936540.

The spelling of 133634330 in words is "one hundred thirty-three million, six hundred thirty-four thousand, three hundred thirty".