133205145331442 has 32 divisors (see below), whose sum is σ = 213366938641920. Its totient is φ = 62231070867840.

The previous prime is 133205145331421. The next prime is 133205145331507. The reversal of 133205145331442 is 244133541502331.

It is a super-2 number, since 2×133205145331442² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133205145331442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366515078 + ... + 366878334.

It is an arithmetic number, because the mean of its divisors is an integer number (6667716832560).

Almost surely, 2^{133205145331442} is an apocalyptic number.

133205145331442 is a deficient number, since it is larger than the sum of its proper divisors (80161793310478).

133205145331442 is a wasteful number, since it uses less digits than its factorization.

133205145331442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567266.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 133205145331442 its reverse (244133541502331), we get a palindrome (377338686833773).

The spelling of 133205145331442 in words is "one hundred thirty-three trillion, two hundred five billion, one hundred forty-five million, three hundred thirty-one thousand, four hundred forty-two".