133143414452 has 24 divisors (see below), whose sum is σ = 246832205256. Its totient is φ = 62623904768.

The previous prime is 133143414421. The next prime is 133143414463. The reversal of 133143414452 is 254414341331.

It can be written as a sum of positive squares in 4 ways, for example, as 16100056996 + 117043357456 = 126886^2 + 342116^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362033 + ... + 630360.

It is an arithmetic number, because the mean of its divisors is an integer number (10284675219).

Almost surely, 2^133143414452 is an apocalyptic number.

It is an amenable number.

133143414452 is a deficient number, since it is larger than the sum of its proper divisors (113688790804).

133143414452 is a wasteful number, since it uses less digits than its factorization.

133143414452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994387 (or 994385 counting only the distinct ones).

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

Adding to 133143414452 its reverse (254414341331), we get a palindrome (387557755783).

The spelling of 133143414452 in words is "one hundred thirty-three billion, one hundred forty-three million, four hundred fourteen thousand, four hundred fifty-two".