133134404 has 24 divisors (see below), whose sum is σ = 252426048. Its totient is φ = 61074720.

The previous prime is 133134377. The next prime is 133134413. The reversal of 133134404 is 404431331.

It is a self number, because there is not a number n which added to its sum of digits gives 133134404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1019 + ... + 16349.

It is an arithmetic number, because the mean of its divisors is an integer number (10517752).

Almost surely, 2^133134404 is an apocalyptic number.

It is an amenable number.

133134404 is a deficient number, since it is larger than the sum of its proper divisors (119291644).

133134404 is a wasteful number, since it uses less digits than its factorization.

133134404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15515 (or 15513 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 133134404 is about 11538.3882756648. The cubic root of 133134404 is about 510.6187594289.

Adding to 133134404 its reverse (404431331), we get a palindrome (537565735).

The spelling of 133134404 in words is "one hundred thirty-three million, one hundred thirty-four thousand, four hundred four".