133534245 has 16 divisors (see below), whose sum is σ = 230090112. Its totient is φ = 65739840.

The previous prime is 133534243. The next prime is 133534249. The reversal of 133534245 is 542435331.

It is not a de Polignac number, because 133534245 - 2¹ = 133534243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133534243) 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, 342201 + ... + 342590.

It is an arithmetic number, because the mean of its divisors is an integer number (14380632).

Almost surely, 2^133534245 is an apocalyptic number.

133534245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133534245 is a deficient number, since it is larger than the sum of its proper divisors (96555867).

133534245 is a wasteful number, since it uses less digits than its factorization.

133534245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684812.

The product of its digits is 21600, while the sum is 30.

The square root of 133534245 is about 11555.7018393519. The cubic root of 133534245 is about 511.1294269936.

Adding to 133534245 its reverse (542435331), we get a palindrome (675969576).

The spelling of 133534245 in words is "one hundred thirty-three million, five hundred thirty-four thousand, two hundred forty-five".