133126308 has 96 divisors (see below), whose sum is σ = 396453120. Its totient is φ = 37843200.

The previous prime is 133126291. The next prime is 133126319. The reversal of 133126308 is 803621331.

It is a happy number.

133126308 is a `hidden beast` number, since 1 + 331 + 26 + 308 = 666.

It is a super-2 number, since 2×133126308² = 35445227763421728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221208 + ... + 221808.

It is an arithmetic number, because the mean of its divisors is an integer number (4129720).

Almost surely, 2^133126308 is an apocalyptic number.

133126308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133126308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198226560).

133126308 is an abundant number, since it is smaller than the sum of its proper divisors (263326812).

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

133126308 is a wasteful number, since it uses less digits than its factorization.

133126308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 133126308 is about 11538.0374414369. The cubic root of 133126308 is about 510.6084088529.

Adding to 133126308 its reverse (803621331), we get a palindrome (936747639).

The spelling of 133126308 in words is "one hundred thirty-three million, one hundred twenty-six thousand, three hundred eight".