213140332 has 24 divisors (see below), whose sum is σ = 380157120. Its totient is φ = 104532240.

The previous prime is 213140329. The next prime is 213140357. The reversal of 213140332 is 233041312.

It is a super-2 number, since 2×213140332² = 90857602250140448, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162423 + ... + 163729.

It is an arithmetic number, because the mean of its divisors is an integer number (15839880).

Almost surely, 2^213140332 is an apocalyptic number.

It is an amenable number.

213140332 is a deficient number, since it is larger than the sum of its proper divisors (167016788).

213140332 is a wasteful number, since it uses less digits than its factorization.

213140332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061 (or 2059 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 213140332 is about 14599.3264228183. The cubic root of 213140332 is about 597.3403874470.

Adding to 213140332 its reverse (233041312), we get a palindrome (446181644).

The spelling of 213140332 in words is "two hundred thirteen million, one hundred forty thousand, three hundred thirty-two".