133426415042 has 18 divisors (see below), whose sum is σ = 201438107787. Its totient is φ = 66283156336.

The previous prime is 133426415039. The next prime is 133426415047. The reversal of 133426415042 is 240514624331.

It can be written as a sum of positive squares in 5 ways, for example, as 131646334561 + 1780080481 = 362831^2 + 42191^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=258289.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133426414993 and 133426415011.

It is not an unprimeable number, because it can be changed into a prime (133426415047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 89367248 + ... + 89368740.

Almost surely, 2^133426415042 is an apocalyptic number.

133426415042 is a deficient number, since it is larger than the sum of its proper divisors (68011692745).

133426415042 is an frugal number, since it uses more digits than its factorization.

133426415042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3334 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 133426415042 in words is "one hundred thirty-three billion, four hundred twenty-six million, four hundred fifteen thousand, forty-two".