133034642 has 8 divisors (see below), whose sum is σ = 214902156. Its totient is φ = 61400592.

The previous prime is 133034591. The next prime is 133034677. The reversal of 133034642 is 246430331.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125641681 + 7392961 = 11209^2 + 2719^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 5116717 = 133034642 / (1 + 3 + 3 + 0 + 3 + 4 + 6 + 4 + 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 in 3 ways as a sum of consecutive naturals, for example, 2558333 + ... + 2558384.

Almost surely, 2^133034642 is an apocalyptic number.

133034642 is a deficient number, since it is larger than the sum of its proper divisors (81867514).

133034642 is a wasteful number, since it uses less digits than its factorization.

133034642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5116732.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 133034642 is about 11534.0644180618. The cubic root of 133034642 is about 510.4911863994.

Adding to 133034642 its reverse (246430331), we get a palindrome (379464973).

The spelling of 133034642 in words is "one hundred thirty-three million, thirty-four thousand, six hundred forty-two".