133903435 has 4 divisors (see below), whose sum is σ = 160684128. Its totient is φ = 107122744.

The previous prime is 133903433. The next prime is 133903487. The reversal of 133903435 is 534309331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133903435 - 2¹ = 133903433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133903397 and 133903406.

It is not an unprimeable number, because it can be changed into a prime (133903433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13390339 + ... + 13390348.

It is an arithmetic number, because the mean of its divisors is an integer number (40171032).

Almost surely, 2^133903435 is an apocalyptic number.

133903435 is a deficient number, since it is larger than the sum of its proper divisors (26780693).

133903435 is an equidigital number, since it uses as much as digits as its factorization.

133903435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26780692.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 133903435 is about 11571.6651783570. The cubic root of 133903435 is about 511.6000434333.

The spelling of 133903435 in words is "one hundred thirty-three million, nine hundred three thousand, four hundred thirty-five".