133712002 has 4 divisors (see below), whose sum is σ = 200568006. Its totient is φ = 66856000.

The previous prime is 133711993. The next prime is 133712009. The reversal of 133712002 is 200217331.

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., 68409441 + 65302561 = 8271^2 + 8081^2 .

It is not an unprimeable number, because it can be changed into a prime (133712009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33427999 + ... + 33428002.

Almost surely, 2^133712002 is an apocalyptic number.

133712002 is a deficient number, since it is larger than the sum of its proper divisors (66856004).

133712002 is an equidigital number, since it uses as much as digits as its factorization.

133712002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66856003.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 133712002 is about 11563.3905927284. The cubic root of 133712002 is about 511.3561267639.

Adding to 133712002 its reverse (200217331), we get a palindrome (333929333).

The spelling of 133712002 in words is "one hundred thirty-three million, seven hundred twelve thousand, two".