133146503 has 8 divisors (see below), whose sum is σ = 152567808. Its totient is φ = 113825304.

The previous prime is 133146479. The next prime is 133146523. The reversal of 133146503 is 305641331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 133146503 - 2¹⁴ = 133130119 is a prime.

It is a super-2 number, since 2×133146503² = 35455982522258018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133146523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22151 + ... + 27512.

It is an arithmetic number, because the mean of its divisors is an integer number (19070976).

Almost surely, 2^133146503 is an apocalyptic number.

133146503 is a deficient number, since it is larger than the sum of its proper divisors (19421305).

133146503 is an equidigital number, since it uses as much as digits as its factorization.

133146503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50053.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 133146503 is about 11538.9125570827. The cubic root of 133146503 is about 510.6342269791.

Adding to 133146503 its reverse (305641331), we get a palindrome (438787834).

The spelling of 133146503 in words is "one hundred thirty-three million, one hundred forty-six thousand, five hundred three".