133316205 has 32 divisors (see below), whose sum is σ = 237662208. Its totient is φ = 63259200.

The previous prime is 133316201. The next prime is 133316221. The reversal of 133316205 is 502613331.

It is a happy number.

It is not a de Polignac number, because 133316205 - 2² = 133316201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133316201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 841 + ... + 16350.

It is an arithmetic number, because the mean of its divisors is an integer number (7426944).

Almost surely, 2^133316205 is an apocalyptic number.

133316205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133316205 is a deficient number, since it is larger than the sum of its proper divisors (104346003).

133316205 is a wasteful number, since it uses less digits than its factorization.

133316205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17257.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 133316205 is about 11546.2636813820. The cubic root of 133316205 is about 510.8510779866.

Adding to 133316205 its reverse (502613331), we get a palindrome (635929536).

The spelling of 133316205 in words is "one hundred thirty-three million, three hundred sixteen thousand, two hundred five".