214154140 has 12 divisors (see below), whose sum is σ = 449723736. Its totient is φ = 85661648.

The previous prime is 214154119. The next prime is 214154189. The reversal of 214154140 is 41451412.

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, 5353834 + ... + 5353873.

It is an arithmetic number, because the mean of its divisors is an integer number (37476978).

Almost surely, 2^214154140 is an apocalyptic number.

214154140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214154140 is an abundant number, since it is smaller than the sum of its proper divisors (235569596).

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

214154140 is a wasteful number, since it uses less digits than its factorization.

214154140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10707716 (or 10707714 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 214154140 is about 14634.0062867282. The cubic root of 214154140 is about 598.2859785839.

The spelling of 214154140 in words is "two hundred fourteen million, one hundred fifty-four thousand, one hundred forty".