30129133 has 2 divisors, whose sum is σ = 30129134. Its totient is φ = 30129132.

The previous prime is 30129109. The next prime is 30129157. The reversal of 30129133 is 33192103.

It is a balanced prime because it is at equal distance from previous prime (30129109) and next prime (30129157).

It can be written as a sum of positive squares in only one way, i.e., 23687689 + 6441444 = 4867^2 + 2538^2 .

It is a cyclic number.

It is not a de Polignac number, because 30129133 - 2¹⁷ = 29998061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30129733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15064566 + 15064567.

It is an arithmetic number, because the mean of its divisors is an integer number (15064567).

Almost surely, 2^30129133 is an apocalyptic number.

It is an amenable number.

30129133 is a deficient number, since it is larger than the sum of its proper divisors (1).

30129133 is an equidigital number, since it uses as much as digits as its factorization.

30129133 is an evil number, because the sum of its binary digits is even.

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

The square root of 30129133 is about 5489.0010930952. The cubic root of 30129133 is about 311.1684416125.

The spelling of 30129133 in words is "thirty million, one hundred twenty-nine thousand, one hundred thirty-three".