133235402 has 8 divisors (see below), whose sum is σ = 200115300. Its totient is φ = 66530304.

The previous prime is 133235369. The next prime is 133235471. The reversal of 133235402 is 204532331.

It can be written as a sum of positive squares in 2 ways, for example, as 132963961 + 271441 = 11531^2 + 521^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×133235402² = 35503344692203208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41777 + ... + 44852.

Almost surely, 2^133235402 is an apocalyptic number.

133235402 is a deficient number, since it is larger than the sum of its proper divisors (66879898).

133235402 is an equidigital number, since it uses as much as digits as its factorization.

133235402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87400.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 133235402 is about 11542.7640537265. The cubic root of 133235402 is about 510.7478481202.

Adding to 133235402 its reverse (204532331), we get a palindrome (337767733).

The spelling of 133235402 in words is "one hundred thirty-three million, two hundred thirty-five thousand, four hundred two".