133194503 has 16 divisors (see below), whose sum is σ = 151452000. Its totient is φ = 116121600.

The previous prime is 133194497. The next prime is 133194517. The reversal of 133194503 is 305491331.

It is a cyclic number.

It is not a de Polignac number, because 133194503 - 2¹⁰ = 133193479 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133194583) 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, 110303 + ... + 111503.

It is an arithmetic number, because the mean of its divisors is an integer number (9465750).

Almost surely, 2^133194503 is an apocalyptic number.

133194503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133194503 is a deficient number, since it is larger than the sum of its proper divisors (18257497).

133194503 is a wasteful number, since it uses less digits than its factorization.

133194503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 133194503 is about 11540.9922883607. The cubic root of 133194503 is about 510.6955816963.

The spelling of 133194503 in words is "one hundred thirty-three million, one hundred ninety-four thousand, five hundred three".