133501043 has 12 divisors (see below), whose sum is σ = 148093848. Its totient is φ = 120219840.

The previous prime is 133501031. The next prime is 133501057. The reversal of 133501043 is 340105331.

It is a happy number.

It is not a de Polignac number, because 133501043 - 2¹⁰ = 133500019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133501343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2705 + ... + 16562.

It is an arithmetic number, because the mean of its divisors is an integer number (12341154).

Almost surely, 2^133501043 is an apocalyptic number.

133501043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133501043 is a deficient number, since it is larger than the sum of its proper divisors (14592805).

133501043 is a wasteful number, since it uses less digits than its factorization.

133501043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19334 (or 19321 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 133501043 is about 11554.2651432274. The cubic root of 133501043 is about 511.0870610174.

Adding to 133501043 its reverse (340105331), we get a palindrome (473606374).

The spelling of 133501043 in words is "one hundred thirty-three million, five hundred one thousand, forty-three".