133441156 has 6 divisors (see below), whose sum is σ = 233522030. Its totient is φ = 66720576.

The previous prime is 133441141. The next prime is 133441157. The reversal of 133441156 is 651144331.

It can be written as a sum of positive squares in only one way, i.e., 124679556 + 8761600 = 11166^2 + 2960^2 .

It is a super-2 number, since 2×133441156² = 35613084229232672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (133441157) 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 as a sum of consecutive naturals, namely, 16680141 + ... + 16680148.

Almost surely, 2^133441156 is an apocalyptic number.

It is an amenable number.

133441156 is a deficient number, since it is larger than the sum of its proper divisors (100080874).

133441156 is a wasteful number, since it uses less digits than its factorization.

133441156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33360293 (or 33360291 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 133441156 is about 11551.6732987044. The cubic root of 133441156 is about 511.0106270361.

Adding to 133441156 its reverse (651144331), we get a palindrome (784585487).

The spelling of 133441156 in words is "one hundred thirty-three million, four hundred forty-one thousand, one hundred fifty-six".