133417426 has 16 divisors (see below), whose sum is σ = 201886488. Its totient is φ = 66124800.

The previous prime is 133417423. The next prime is 133417439. The reversal of 133417426 is 624714331.

133417426 = T₁₀₈ + T₁₀₉ + ... + T₉₂₈.

It can be written as a sum of positive squares in 4 ways, for example, as 38452401 + 94965025 = 6201^2 + 9745^2 .

It is not an unprimeable number, because it can be changed into a prime (133417421) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 162096 + ... + 162916.

Almost surely, 2^133417426 is an apocalyptic number.

133417426 is a deficient number, since it is larger than the sum of its proper divisors (68469062).

133417426 is a wasteful number, since it uses less digits than its factorization.

133417426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1437.

The product of its digits is 12096, while the sum is 31.

The square root of 133417426 is about 11550.6461291133. The cubic root of 133417426 is about 510.9803340305.

The spelling of 133417426 in words is "one hundred thirty-three million, four hundred seventeen thousand, four hundred twenty-six".