133427488 has 12 divisors (see below), whose sum is σ = 262685430. Its totient is φ = 66713728.

The previous prime is 133427471. The next prime is 133427491. The reversal of 133427488 is 884724331.

It can be written as a sum of positive squares in only one way, i.e., 114661264 + 18766224 = 10708^2 + 4332^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 133427488.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2084773 + ... + 2084836.

Almost surely, 2^133427488 is an apocalyptic number.

It is an amenable number.

133427488 is a deficient number, since it is larger than the sum of its proper divisors (129257942).

133427488 is an equidigital number, since it uses as much as digits as its factorization.

133427488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4169619 (or 4169611 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 133427488 is about 11551.0816809509. The cubic root of 133427488 is about 510.9931793162.

The spelling of 133427488 in words is "one hundred thirty-three million, four hundred twenty-seven thousand, four hundred eighty-eight".