214134505 has 16 divisors (see below), whose sum is σ = 277300800. Its totient is φ = 157802688.

The previous prime is 214134457. The next prime is 214134511. The reversal of 214134505 is 505431412.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 214134505 - 2²⁵ = 180580073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214134505.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30846 + ... + 37144.

It is an arithmetic number, because the mean of its divisors is an integer number (17331300).

Almost surely, 2^214134505 is an apocalyptic number.

It is an amenable number.

214134505 is a deficient number, since it is larger than the sum of its proper divisors (63166295).

214134505 is a wasteful number, since it uses less digits than its factorization.

214134505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6840.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 214134505 is about 14633.3354024296. The cubic root of 214134505 is about 598.2676931498.

Adding to 214134505 its reverse (505431412), we get a palindrome (719565917).

The spelling of 214134505 in words is "two hundred fourteen million, one hundred thirty-four thousand, five hundred five".