213890925340 has 24 divisors (see below), whose sum is σ = 461310700032. Its totient is φ = 83244035520.

The previous prime is 213890925323. The next prime is 213890925341. The reversal of 213890925340 is 43529098312.

213890925340 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213890925341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144520156 + ... + 144521635.

It is an arithmetic number, because the mean of its divisors is an integer number (19221279168).

Almost surely, 2^213890925340 is an apocalyptic number.

213890925340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213890925340 is an abundant number, since it is smaller than the sum of its proper divisors (247419774692).

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

213890925340 is a wasteful number, since it uses less digits than its factorization.

213890925340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289041837 (or 289041835 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 213890925340 in words is "two hundred thirteen billion, eight hundred ninety million, nine hundred twenty-five thousand, three hundred forty".