211414129 has 4 divisors (see below), whose sum is σ = 211488676. Its totient is φ = 211339584.

The previous prime is 211414103. The next prime is 211414157. The reversal of 211414129 is 921414112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 133056225 + 78357904 = 11535^2 + 8852^2 .

It is a cyclic number.

It is not a de Polignac number, because 211414129 - 2⁷ = 211414001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211414199) 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, 32844 + ... + 38749.

It is an arithmetic number, because the mean of its divisors is an integer number (52872169).

Almost surely, 2^211414129 is an apocalyptic number.

It is an amenable number.

211414129 is a deficient number, since it is larger than the sum of its proper divisors (74547).

211414129 is an equidigital number, since it uses as much as digits as its factorization.

211414129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74546.

The product of its digits is 576, while the sum is 25.

The square root of 211414129 is about 14540.0869667275. The cubic root of 211414129 is about 595.7234135841.

The spelling of 211414129 in words is "two hundred eleven million, four hundred fourteen thousand, one hundred twenty-nine".