133220421342 has 24 divisors (see below), whose sum is σ = 289011042216. Its totient is φ = 44350376976.

The previous prime is 133220421331. The next prime is 133220421371. The reversal of 133220421342 is 243124022331.

133220421342 is a `hidden beast` number, since 13 + 3 + 220 + 421 + 3 + 4 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4687953 + ... + 4716284.

It is an arithmetic number, because the mean of its divisors is an integer number (12042126759).

Almost surely, 2^133220421342 is an apocalyptic number.

133220421342 is an abundant number, since it is smaller than the sum of its proper divisors (155790620874).

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

133220421342 is a wasteful number, since it uses less digits than its factorization.

133220421342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9405032 (or 9405029 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 133220421342 its reverse (243124022331), we get a palindrome (376344443673).

The spelling of 133220421342 in words is "one hundred thirty-three billion, two hundred twenty million, four hundred twenty-one thousand, three hundred forty-two".