215134232 has 16 divisors (see below), whose sum is σ = 403619760. Its totient is φ = 107502304.

The previous prime is 215134229. The next prime is 215134273. The reversal of 215134232 is 232431512.

It is a junction number, because it is equal to n+sod(n) for n = 215134198 and 215134207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7853 + ... + 22179.

It is an arithmetic number, because the mean of its divisors is an integer number (25226235).

Almost surely, 2^215134232 is an apocalyptic number.

It is an amenable number.

215134232 is a deficient number, since it is larger than the sum of its proper divisors (188485528).

215134232 is a wasteful number, since it uses less digits than its factorization.

215134232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16210 (or 16206 counting only the distinct ones).

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

The square root of 215134232 is about 14667.4548576091. The cubic root of 215134232 is about 599.1972895351.

Adding to 215134232 its reverse (232431512), we get a palindrome (447565744).

The spelling of 215134232 in words is "two hundred fifteen million, one hundred thirty-four thousand, two hundred thirty-two".