133443141 has 16 divisors (see below), whose sum is σ = 193374720. Its totient is φ = 81362880.

The previous prime is 133443139. The next prime is 133443143. The reversal of 133443141 is 141344331.

It is an interprime number because it is at equal distance from previous prime (133443139) and next prime (133443143).

It is not a de Polignac number, because 133443141 - 2¹ = 133443139 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133443143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11445 + ... + 19946.

It is an arithmetic number, because the mean of its divisors is an integer number (12085920).

Almost surely, 2^133443141 is an apocalyptic number.

It is an amenable number.

133443141 is a deficient number, since it is larger than the sum of its proper divisors (59931579).

133443141 is a wasteful number, since it uses less digits than its factorization.

133443141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31516.

The product of its digits is 1728, while the sum is 24.

The square root of 133443141 is about 11551.7592166735. The cubic root of 133443141 is about 511.0131608647.

Adding to 133443141 its reverse (141344331), we get a palindrome (274787472).

The spelling of 133443141 in words is "one hundred thirty-three million, four hundred forty-three thousand, one hundred forty-one".