133010442 has 12 divisors (see below), whose sum is σ = 288189330. Its totient is φ = 44336808.

The previous prime is 133010419. The next prime is 133010459. The reversal of 133010442 is 244010331.

It can be written as a sum of positive squares in only one way, i.e., 76895361 + 56115081 = 8769^2 + 7491^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 7389469 = 133010442 / (1 + 3 + 3 + 0 + 1 + 0 + 4 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3694717 + ... + 3694752.

Almost surely, 2^133010442 is an apocalyptic number.

133010442 is an abundant number, since it is smaller than the sum of its proper divisors (155178888).

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

133010442 is a wasteful number, since it uses less digits than its factorization.

133010442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7389477 (or 7389474 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 133010442 is about 11533.0153039004. The cubic root of 133010442 is about 510.4602304627.

Adding to 133010442 its reverse (244010331), we get a palindrome (377020773).

The spelling of 133010442 in words is "one hundred thirty-three million, ten thousand, four hundred forty-two".