133193914 has 16 divisors (see below), whose sum is σ = 240350400. Its totient is φ = 54078624.

The previous prime is 133193881. The next prime is 133193959. The reversal of 133193914 is 419391331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 133193914.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250099 + ... + 250630.

It is an arithmetic number, because the mean of its divisors is an integer number (15021900).

Almost surely, 2^133193914 is an apocalyptic number.

133193914 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

133193914 is a deficient number, since it is larger than the sum of its proper divisors (107156486).

133193914 is a wasteful number, since it uses less digits than its factorization.

133193914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500757.

The product of its digits is 8748, while the sum is 34.

The square root of 133193914 is about 11540.9667705960. The cubic root of 133193914 is about 510.6948289121.

The spelling of 133193914 in words is "one hundred thirty-three million, one hundred ninety-three thousand, nine hundred fourteen".