133425466 has 4 divisors (see below), whose sum is σ = 200138202. Its totient is φ = 66712732.

The previous prime is 133425449. The next prime is 133425493. The reversal of 133425466 is 664524331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 664524331 = 367 ⋅1810693.

It can be written as a sum of positive squares in only one way, i.e., 100420441 + 33005025 = 10021^2 + 5745^2 .

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33356365 + ... + 33356368.

Almost surely, 2^133425466 is an apocalyptic number.

133425466 is a deficient number, since it is larger than the sum of its proper divisors (66712736).

133425466 is an equidigital number, since it uses as much as digits as its factorization.

133425466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66712735.

The product of its digits is 51840, while the sum is 34.

The square root of 133425466 is about 11550.9941563486. The cubic root of 133425466 is about 510.9905980554.

Adding to 133425466 its reverse (664524331), we get a palindrome (797949797).

The spelling of 133425466 in words is "one hundred thirty-three million, four hundred twenty-five thousand, four hundred sixty-six".