213340015 has 16 divisors (see below), whose sum is σ = 299718720. Its totient is φ = 142721280.

The previous prime is 213339989. The next prime is 213340027. The reversal of 213340015 is 510043312.

It is not a de Polignac number, because 213340015 - 2⁷ = 213339887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213339974 and 213340001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72900 + ... + 75769.

It is an arithmetic number, because the mean of its divisors is an integer number (18732420).

Almost surely, 2^213340015 is an apocalyptic number.

213340015 is a deficient number, since it is larger than the sum of its proper divisors (86378705).

213340015 is a wasteful number, since it uses less digits than its factorization.

213340015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148722.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 213340015 is about 14606.1635962357. The cubic root of 213340015 is about 597.5268709868.

Adding to 213340015 its reverse (510043312), we get a palindrome (723383327).

The spelling of 213340015 in words is "two hundred thirteen million, three hundred forty thousand, fifteen".