214628140 has 12 divisors (see below), whose sum is σ = 450719136. Its totient is φ = 85851248.

The previous prime is 214628107. The next prime is 214628147. The reversal of 214628140 is 41826412.

It is a junction number, because it is equal to n+sod(n) for n = 214628099 and 214628108.

It is not an unprimeable number, because it can be changed into a prime (214628147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5365684 + ... + 5365723.

It is an arithmetic number, because the mean of its divisors is an integer number (37559928).

Almost surely, 2^214628140 is an apocalyptic number.

214628140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214628140 is an abundant number, since it is smaller than the sum of its proper divisors (236090996).

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

214628140 is a wasteful number, since it uses less digits than its factorization.

214628140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10731416 (or 10731414 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 214628140 is about 14650.1924902030. The cubic root of 214628140 is about 598.7270605443.

The spelling of 214628140 in words is "two hundred fourteen million, six hundred twenty-eight thousand, one hundred forty".