133626404 has 6 divisors (see below), whose sum is σ = 233846214. Its totient is φ = 66813200.

The previous prime is 133626401. The next prime is 133626439. The reversal of 133626404 is 404626331.

It can be written as a sum of positive squares in only one way, i.e., 70392100 + 63234304 = 8390^2 + 7952^2 .

It is not an unprimeable number, because it can be changed into a prime (133626401) 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 as a sum of consecutive naturals, namely, 16703297 + ... + 16703304.

It is an arithmetic number, because the mean of its divisors is an integer number (38974369).

Almost surely, 2^133626404 is an apocalyptic number.

It is an amenable number.

133626404 is a deficient number, since it is larger than the sum of its proper divisors (100219810).

133626404 is a wasteful number, since it uses less digits than its factorization.

133626404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33406605 (or 33406603 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 133626404 is about 11559.6887501351. The cubic root of 133626404 is about 511.2469857128.

The spelling of 133626404 in words is "one hundred thirty-three million, six hundred twenty-six thousand, four hundred four".