133402344452 has 24 divisors (see below), whose sum is σ = 253099455000. Its totient is φ = 61157085696.

The previous prime is 133402344353. The next prime is 133402344463. The reversal of 133402344452 is 254443204331.

It can be written as a sum of positive squares in 4 ways, for example, as 137921536 + 133264422916 = 11744^2 + 365054^2 .

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, 8601077 + ... + 8616572.

It is an arithmetic number, because the mean of its divisors is an integer number (10545810625).

Almost surely, 2^133402344452 is an apocalyptic number.

It is an amenable number.

133402344452 is a deficient number, since it is larger than the sum of its proper divisors (119697110548).

133402344452 is a wasteful number, since it uses less digits than its factorization.

133402344452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17217815 (or 17217813 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 133402344452 its reverse (254443204331), we get a palindrome (387845548783).

The spelling of 133402344452 in words is "one hundred thirty-three billion, four hundred two million, three hundred forty-four thousand, four hundred fifty-two".