213146982 has 12 divisors (see below), whose sum is σ = 461818500. Its totient is φ = 71048988.

The previous prime is 213146981. The next prime is 213147019. The reversal of 213146982 is 289641312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213146981) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5920732 + ... + 5920767.

It is an arithmetic number, because the mean of its divisors is an integer number (38484875).

Almost surely, 2^213146982 is an apocalyptic number.

213146982 is an abundant number, since it is smaller than the sum of its proper divisors (248671518).

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

213146982 is a wasteful number, since it uses less digits than its factorization.

213146982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11841507 (or 11841504 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 213146982 is about 14599.5541712752. The cubic root of 213146982 is about 597.3465997427.

The spelling of 213146982 in words is "two hundred thirteen million, one hundred forty-six thousand, nine hundred eighty-two".