133102425242 has 32 divisors (see below), whose sum is σ = 216327834000. Its totient is φ = 61186065408.

The previous prime is 133102425217. The next prime is 133102425289. The reversal of 133102425242 is 242524201331.

It can be written as a sum of positive squares in 8 ways, for example, as 86311976521 + 46790448721 = 293789^2 + 216311^2 .

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, 251384 + ... + 573932.

Almost surely, 2^133102425242 is an apocalyptic number.

133102425242 is a deficient number, since it is larger than the sum of its proper divisors (83225408758).

133102425242 is a wasteful number, since it uses less digits than its factorization.

133102425242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322850.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 133102425242 its reverse (242524201331), we get a palindrome (375626626573).

The spelling of 133102425242 in words is "one hundred thirty-three billion, one hundred two million, four hundred twenty-five thousand, two hundred forty-two".