214140656 has 20 divisors (see below), whose sum is σ = 416764992. Its totient is φ = 106588416.

The previous prime is 214140623. The next prime is 214140671. The reversal of 214140656 is 656041412.

It is a super-2 number, since 2×214140656² = 91712441104220672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26441 + ... + 33576.

Almost surely, 2^214140656 is an apocalyptic number.

It is an amenable number.

214140656 is a deficient number, since it is larger than the sum of its proper divisors (202624336).

214140656 is a wasteful number, since it uses less digits than its factorization.

214140656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60248 (or 60242 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 214140656 is about 14633.5455717335. The cubic root of 214140656 is about 598.2734214954.

The spelling of 214140656 in words is "two hundred fourteen million, one hundred forty thousand, six hundred fifty-six".