133310426 has 4 divisors (see below), whose sum is σ = 199965642. Its totient is φ = 66655212.

The previous prime is 133310417. The next prime is 133310459. The reversal of 133310426 is 624013331.

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., 130074025 + 3236401 = 11405^2 + 1799^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33327605 + ... + 33327608.

Almost surely, 2^133310426 is an apocalyptic number.

133310426 is a deficient number, since it is larger than the sum of its proper divisors (66655216).

133310426 is an equidigital number, since it uses as much as digits as its factorization.

133310426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66655215.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 133310426 is about 11546.0134245548. The cubic root of 133310426 is about 510.8436964107.

Adding to 133310426 its reverse (624013331), we get a palindrome (757323757).

The spelling of 133310426 in words is "one hundred thirty-three million, three hundred ten thousand, four hundred twenty-six".