214139268 has 96 divisors (see below), whose sum is σ = 638238720. Its totient is φ = 60821280.

The previous prime is 214139267. The next prime is 214139273. The reversal of 214139268 is 862931412.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (214139267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 143655 + ... + 145137.

It is an arithmetic number, because the mean of its divisors is an integer number (6648320).

Almost surely, 2^214139268 is an apocalyptic number.

214139268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214139268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319119360).

214139268 is an abundant number, since it is smaller than the sum of its proper divisors (424099452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214139268 is a wasteful number, since it uses less digits than its factorization.

214139268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694 (or 1686 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 214139268 is about 14633.4981463763. The cubic root of 214139268 is about 598.2721288788.

The spelling of 214139268 in words is "two hundred fourteen million, one hundred thirty-nine thousand, two hundred sixty-eight".