133444440102 has 16 divisors (see below), whose sum is σ = 267334444800. Its totient is φ = 44407219272.

The previous prime is 133444440049. The next prime is 133444440109. The reversal of 133444440102 is 201044444331.

It is a self number, because there is not a number n which added to its sum of digits gives 133444440102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133444440109) 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, 18561298 + ... + 18568485.

It is an arithmetic number, because the mean of its divisors is an integer number (16708402800).

Almost surely, 2^133444440102 is an apocalyptic number.

133444440102 is an abundant number, since it is smaller than the sum of its proper divisors (133890004698).

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

133444440102 is a wasteful number, since it uses less digits than its factorization.

133444440102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37130387.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 133444440102 its reverse (201044444331), we get a palindrome (334488884433).

The spelling of 133444440102 in words is "one hundred thirty-three billion, four hundred forty-four million, four hundred forty thousand, one hundred two".