133030997 has 4 divisors (see below), whose sum is σ = 145124736. Its totient is φ = 120937260.

The previous prime is 133030957. The next prime is 133031051. The reversal of 133030997 is 799030331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 133030997 - 2¹⁰ = 133029973 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 (133030907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6046853 + ... + 6046874.

It is an arithmetic number, because the mean of its divisors is an integer number (36281184).

Almost surely, 2^133030997 is an apocalyptic number.

It is an amenable number.

133030997 is a deficient number, since it is larger than the sum of its proper divisors (12093739).

133030997 is a wasteful number, since it uses less digits than its factorization.

133030997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12093738.

The product of its (nonzero) digits is 15309, while the sum is 35.

The square root of 133030997 is about 11533.9064067644. The cubic root of 133030997 is about 510.4865240615.

The spelling of 133030997 in words is "one hundred thirty-three million, thirty thousand, nine hundred ninety-seven".