133498148 has 18 divisors (see below), whose sum is σ = 271764486. Its totient is φ = 57213408.

The previous prime is 133498147. The next prime is 133498153. The reversal of 133498148 is 841894331.

It can be written as a sum of positive squares in only one way, i.e., 89832484 + 43665664 = 9478^2 + 6608^2 .

It is not an unprimeable number, because it can be changed into a prime (133498147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 340361 + ... + 340752.

It is an arithmetic number, because the mean of its divisors is an integer number (15098027).

Almost surely, 2^133498148 is an apocalyptic number.

It is an amenable number.

133498148 is an abundant number, since it is smaller than the sum of its proper divisors (138266338).

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

133498148 is a wasteful number, since it uses less digits than its factorization.

133498148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681131 (or 681122 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 133498148 is about 11554.1398641353. The cubic root of 133498148 is about 511.0833666449.

The spelling of 133498148 in words is "one hundred thirty-three million, four hundred ninety-eight thousand, one hundred forty-eight".