133393353 has 16 divisors (see below), whose sum is σ = 189911040. Its totient is φ = 83082384.

The previous prime is 133393349. The next prime is 133393361. The reversal of 133393353 is 353393331.

It is not a de Polignac number, because 133393353 - 2² = 133393349 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133393303) 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, 19513 + ... + 25446.

It is an arithmetic number, because the mean of its divisors is an integer number (11869440).

Almost surely, 2^133393353 is an apocalyptic number.

It is an amenable number.

133393353 is a deficient number, since it is larger than the sum of its proper divisors (56517687).

133393353 is a wasteful number, since it uses less digits than its factorization.

133393353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45028.

The product of its digits is 32805, while the sum is 33.

The square root of 133393353 is about 11549.6040191861. The cubic root of 133393353 is about 510.9495994909.

The spelling of 133393353 in words is "one hundred thirty-three million, three hundred ninety-three thousand, three hundred fifty-three".