133242032402 has 4 divisors (see below), whose sum is σ = 199863048606. Its totient is φ = 66621016200.

The previous prime is 133242032359. The next prime is 133242032411. The reversal of 133242032402 is 204230242331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 133049128081 + 192904321 = 364759^2 + 13889^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33310508099 + ... + 33310508102.

Almost surely, 2^133242032402 is an apocalyptic number.

133242032402 is a deficient number, since it is larger than the sum of its proper divisors (66621016204).

133242032402 is an equidigital number, since it uses as much as digits as its factorization.

133242032402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66621016203.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 133242032402 its reverse (204230242331), we get a palindrome (337472274733).

The spelling of 133242032402 in words is "one hundred thirty-three billion, two hundred forty-two million, thirty-two thousand, four hundred two".