133049530 has 16 divisors (see below), whose sum is σ = 239754240. Its totient is φ = 53160912.

The previous prime is 133049513. The next prime is 133049537. The reversal of 133049530 is 35940331.

It is not an unprimeable number, because it can be changed into a prime (133049537) 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 7 ways as a sum of consecutive naturals, for example, 2791 + ... + 16549.

It is an arithmetic number, because the mean of its divisors is an integer number (14984640).

Almost surely, 2^133049530 is an apocalyptic number.

133049530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133049530 is a deficient number, since it is larger than the sum of its proper divisors (106704710).

133049530 is a wasteful number, since it uses less digits than its factorization.

133049530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14733.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 133049530 is about 11534.7097926216. The cubic root of 133049530 is about 510.5102288312.

Adding to 133049530 its reverse (35940331), we get a palindrome (168989861).

The spelling of 133049530 in words is "one hundred thirty-three million, forty-nine thousand, five hundred thirty".