133503153 has 16 divisors (see below), whose sum is σ = 210449280. Its totient is φ = 73656576.

The previous prime is 133503119. The next prime is 133503163. The reversal of 133503153 is 351305331.

It is not a de Polignac number, because 133503153 - 2¹² = 133499057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (133503163) 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, 109000 + ... + 110217.

It is an arithmetic number, because the mean of its divisors is an integer number (13153080).

Almost surely, 2^133503153 is an apocalyptic number.

It is an amenable number.

133503153 is a deficient number, since it is larger than the sum of its proper divisors (76946127).

133503153 is a wasteful number, since it uses less digits than its factorization.

133503153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219256.

The product of its (nonzero) digits is 2025, while the sum is 24.

The square root of 133503153 is about 11554.3564511400. The cubic root of 133503153 is about 511.0897536007.

Adding to 133503153 its reverse (351305331), we get a palindrome (484808484).

The spelling of 133503153 in words is "one hundred thirty-three million, five hundred three thousand, one hundred fifty-three".