133242060 has 192 divisors, whose sum is σ = 458035200. Its totient is φ = 28263168.

The previous prime is 133242023. The next prime is 133242077. The reversal of 133242060 is 60242331.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 470679 + ... + 470961.

It is an arithmetic number, because the mean of its divisors is an integer number (2385600).

Almost surely, 2^133242060 is an apocalyptic number.

133242060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133242060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229017600).

133242060 is an abundant number, since it is smaller than the sum of its proper divisors (324793140).

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

133242060 is a wasteful number, since it uses less digits than its factorization.

133242060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 133242060 is about 11543.0524559148. The cubic root of 133242060 is about 510.7563556252.

Adding to 133242060 its reverse (60242331), we get a palindrome (193484391).

The spelling of 133242060 in words is "one hundred thirty-three million, two hundred forty-two thousand, sixty".