214555129 has 4 divisors (see below), whose sum is σ = 214584676. Its totient is φ = 214525584.

The previous prime is 214555111. The next prime is 214555157. The reversal of 214555129 is 921555412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 31899904 + 182655225 = 5648^2 + 13515^2 .

It is a cyclic number.

It is not a de Polignac number, because 214555129 - 2⁷ = 214555001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 214555094 and 214555103.

It is not an unprimeable number, because it can be changed into a prime (214555169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4507 + ... + 21199.

It is an arithmetic number, because the mean of its divisors is an integer number (53646169).

Almost surely, 2^214555129 is an apocalyptic number.

It is an amenable number.

214555129 is a deficient number, since it is larger than the sum of its proper divisors (29547).

214555129 is a wasteful number, since it uses less digits than its factorization.

214555129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29546.

The product of its digits is 18000, while the sum is 34.

The square root of 214555129 is about 14647.7004679916. The cubic root of 214555129 is about 598.6591623040.

The spelling of 214555129 in words is "two hundred fourteen million, five hundred fifty-five thousand, one hundred twenty-nine".