213354140 has 24 divisors (see below), whose sum is σ = 448565040. Its totient is φ = 85242368.

The previous prime is 213354137. The next prime is 213354157. The reversal of 213354140 is 41453312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12839 + ... + 24321.

It is an arithmetic number, because the mean of its divisors is an integer number (18690210).

Almost surely, 2^213354140 is an apocalyptic number.

213354140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213354140 is an abundant number, since it is smaller than the sum of its proper divisors (235210900).

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

213354140 is a wasteful number, since it uses less digits than its factorization.

213354140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12421 (or 12419 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 213354140 is about 14606.6471169807. The cubic root of 213354140 is about 597.5400578875.

The spelling of 213354140 in words is "two hundred thirteen million, three hundred fifty-four thousand, one hundred forty".