214130621 has 16 divisors (see below), whose sum is σ = 227598336. Its totient is φ = 201044976.

The previous prime is 214130617. The next prime is 214130629. The reversal of 214130621 is 126031412.

It is a cyclic number.

It is not a de Polignac number, because 214130621 - 2² = 214130617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 214130593 and 214130602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214130629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425456 + ... + 425958.

It is an arithmetic number, because the mean of its divisors is an integer number (14224896).

Almost surely, 2^214130621 is an apocalyptic number.

It is an amenable number.

214130621 is a deficient number, since it is larger than the sum of its proper divisors (13467715).

214130621 is a wasteful number, since it uses less digits than its factorization.

214130621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 214130621 is about 14633.2026911404. The cubic root of 214130621 is about 598.2640759751.

The spelling of 214130621 in words is "two hundred fourteen million, one hundred thirty thousand, six hundred twenty-one".