133406048 has 12 divisors (see below), whose sum is σ = 262643220. Its totient is φ = 66703008.

The previous prime is 133406047. The next prime is 133406057. The reversal of 133406048 is 840604331.

It is a self number, because there is not a number n which added to its sum of digits gives 133406048.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133406041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2084438 + ... + 2084501.

It is an arithmetic number, because the mean of its divisors is an integer number (21886935).

Almost surely, 2^133406048 is an apocalyptic number.

It is an amenable number.

133406048 is a deficient number, since it is larger than the sum of its proper divisors (129237172).

133406048 is an equidigital number, since it uses as much as digits as its factorization.

133406048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168949 (or 4168941 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 133406048 is about 11550.1535920524. The cubic root of 133406048 is about 510.9658079432.

The spelling of 133406048 in words is "one hundred thirty-three million, four hundred six thousand, forty-eight".