133027408 has 20 divisors (see below), whose sum is σ = 266629140. Its totient is φ = 64219904.

The previous prime is 133027381. The next prime is 133027409. The reversal of 133027408 is 804720331.

It can be written as a sum of positive squares in 2 ways, for example, as 61591104 + 71436304 = 7848^2 + 8452^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133027409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142885 + ... + 143812.

It is an arithmetic number, because the mean of its divisors is an integer number (13331457).

Almost surely, 2^133027408 is an apocalyptic number.

It is an amenable number.

133027408 is an abundant number, since it is smaller than the sum of its proper divisors (133601732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133027408 is a wasteful number, since it uses less digits than its factorization.

133027408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286734 (or 286728 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 133027408 is about 11533.7508209602. The cubic root of 133027408 is about 510.4819332702.

Adding to 133027408 its reverse (804720331), we get a palindrome (937747739).

The spelling of 133027408 in words is "one hundred thirty-three million, twenty-seven thousand, four hundred eight".