214605140 has 12 divisors (see below), whose sum is σ = 450670836. Its totient is φ = 85842048.

The previous prime is 214605113. The next prime is 214605151. The reversal of 214605140 is 41506412.

214605140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 71707024 + 142898116 = 8468^2 + 11954^2 .

It is a super-2 number, since 2×214605140² = 92110732228839200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5365109 + ... + 5365148.

It is an arithmetic number, because the mean of its divisors is an integer number (37555903).

Almost surely, 2^214605140 is an apocalyptic number.

214605140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214605140 is an abundant number, since it is smaller than the sum of its proper divisors (236065696).

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

214605140 is a wasteful number, since it uses less digits than its factorization.

214605140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10730266 (or 10730264 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 214605140 is about 14649.4074965508. The cubic root of 214605140 is about 598.7056728327.

The spelling of 214605140 in words is "two hundred fourteen million, six hundred five thousand, one hundred forty".