133351242 has 16 divisors (see below), whose sum is σ = 266823840. Its totient is φ = 44430192.

The previous prime is 133351201. The next prime is 133351249. The reversal of 133351242 is 242153331.

It is not an unprimeable number, because it can be changed into a prime (133351249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15933 + ... + 22815.

It is an arithmetic number, because the mean of its divisors is an integer number (16676490).

Almost surely, 2^133351242 is an apocalyptic number.

133351242 is an abundant number, since it is smaller than the sum of its proper divisors (133472598).

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

133351242 is a wasteful number, since it uses less digits than its factorization.

133351242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10117.

The product of its digits is 2160, while the sum is 24.

The square root of 133351242 is about 11547.7808257691. The cubic root of 133351242 is about 510.8958265387.

The spelling of 133351242 in words is "one hundred thirty-three million, three hundred fifty-one thousand, two hundred forty-two".