133135330 has 16 divisors (see below), whose sum is σ = 253740600. Its totient is φ = 50121472.

The previous prime is 133135309. The next prime is 133135351. The reversal of 133135330 is 33531331.

It is an interprime number because it is at equal distance from previous prime (133135309) and next prime (133135351).

It can be written as a sum of positive squares in 4 ways, for example, as 123143409 + 9991921 = 11097^2 + 3161^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391405 + ... + 391744.

Almost surely, 2^133135330 is an apocalyptic number.

133135330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133135330 is a deficient number, since it is larger than the sum of its proper divisors (120605270).

133135330 is a wasteful number, since it uses less digits than its factorization.

133135330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783173.

The product of its (nonzero) digits is 1215, while the sum is 22.

The square root of 133135330 is about 11538.4284025165. The cubic root of 133135330 is about 510.6199432748.

Adding to 133135330 its reverse (33531331), we get a palindrome (166666661).

The spelling of 133135330 in words is "one hundred thirty-three million, one hundred thirty-five thousand, three hundred thirty".