133103334 has 64 divisors (see below), whose sum is σ = 328978944. Its totient is φ = 34960896.

The previous prime is 133103317. The next prime is 133103363. The reversal of 133103334 is 433301331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 133103334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236137 + ... + 236699.

It is an arithmetic number, because the mean of its divisors is an integer number (5140296).

Almost surely, 2^133103334 is an apocalyptic number.

133103334 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 133103334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164489472).

133103334 is an abundant number, since it is smaller than the sum of its proper divisors (195875610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

133103334 is a wasteful number, since it uses less digits than its factorization.

133103334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021.

The product of its (nonzero) digits is 972, while the sum is 21.

The square root of 133103334 is about 11537.0418218883. The cubic root of 133103334 is about 510.5790347630.

Adding to 133103334 its reverse (433301331), we get a palindrome (566404665).

The spelling of 133103334 in words is "one hundred thirty-three million, one hundred three thousand, three hundred thirty-four".