213214152390 has 64 divisors (see below), whose sum is σ = 514111491072. Its totient is φ = 56591136000.

The previous prime is 213214152323. The next prime is 213214152391. The reversal of 213214152390 is 93251412312.

It is a super-2 number, since 2×213214152390² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213214152391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8532154 + ... + 8557106.

It is an arithmetic number, because the mean of its divisors is an integer number (8032992048).

Almost surely, 2^213214152390 is an apocalyptic number.

213214152390 is an abundant number, since it is smaller than the sum of its proper divisors (300897338682).

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

213214152390 is a wasteful number, since it uses less digits than its factorization.

213214152390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26285.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 213214152390 in words is "two hundred thirteen billion, two hundred fourteen million, one hundred fifty-two thousand, three hundred ninety".