133232045402 has 4 divisors (see below), whose sum is σ = 199848068106. Its totient is φ = 66616022700.

The previous prime is 133232045389. The next prime is 133232045407. The reversal of 133232045402 is 204540232331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 204540232331 = 148711 ⋅1375421.

It can be written as a sum of positive squares in only one way, i.e., 125761727641 + 7470317761 = 354629^2 + 86431^2 .

It is not an unprimeable number, because it can be changed into a prime (133232045407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33308011349 + ... + 33308011352.

Almost surely, 2^133232045402 is an apocalyptic number.

133232045402 is a deficient number, since it is larger than the sum of its proper divisors (66616022704).

133232045402 is an equidigital number, since it uses as much as digits as its factorization.

133232045402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66616022703.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 133232045402 its reverse (204540232331), we get a palindrome (337772277733).

The spelling of 133232045402 in words is "one hundred thirty-three billion, two hundred thirty-two million, forty-five thousand, four hundred two".