3129133 has 4 divisors (see below), whose sum is σ = 3576160. Its totient is φ = 2682108.

The previous prime is 3129121. The next prime is 3129169. The reversal of 3129133 is 3319213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3319213 = 43 ⋅77191.

It is a cyclic number.

It is not a de Polignac number, because 3129133 - 2²¹ = 1031981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3129103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223503 + ... + 223516.

It is an arithmetic number, because the mean of its divisors is an integer number (894040).

Almost surely, 2^3129133 is an apocalyptic number.

It is an amenable number.

3129133 is a deficient number, since it is larger than the sum of its proper divisors (447027).

3129133 is an equidigital number, since it uses as much as digits as its factorization.

3129133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447026.

The product of its digits is 486, while the sum is 22.

The square root of 3129133 is about 1768.9355556379. The cubic root of 3129133 is about 146.2653116654.

The spelling of 3129133 in words is "three million, one hundred twenty-nine thousand, one hundred thirty-three".