133124530 has 64 divisors (see below), whose sum is σ = 302496768. Its totient is φ = 40973760.

The previous prime is 133124527. The next prime is 133124531. The reversal of 133124530 is 35421331.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (133124531) 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 31 ways as a sum of consecutive naturals, for example, 62869 + ... + 64951.

It is an arithmetic number, because the mean of its divisors is an integer number (4726512).

Almost surely, 2^133124530 is an apocalyptic number.

133124530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133124530 is an abundant number, since it is smaller than the sum of its proper divisors (169372238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133124530 is a wasteful number, since it uses less digits than its factorization.

133124530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 133124530 is about 11537.9603916810. The cubic root of 133124530 is about 510.6061356589.

Adding to 133124530 its reverse (35421331), we get a palindrome (168545861).

The spelling of 133124530 in words is "one hundred thirty-three million, one hundred twenty-four thousand, five hundred thirty".