215134319 has 2 divisors, whose sum is σ = 215134320. Its totient is φ = 215134318.

The previous prime is 215134313. The next prime is 215134351. The reversal of 215134319 is 913431512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 215134319 - 2¹⁶ = 215068783 is a prime.

It is a super-2 number, since 2×215134319² = 92565550423187522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 215134291 and 215134300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215134313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107567159 + 107567160.

It is an arithmetic number, because the mean of its divisors is an integer number (107567160).

Almost surely, 2^215134319 is an apocalyptic number.

215134319 is a deficient number, since it is larger than the sum of its proper divisors (1).

215134319 is an equidigital number, since it uses as much as digits as its factorization.

215134319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 29.

The square root of 215134319 is about 14667.4578233585. The cubic root of 215134319 is about 599.1973703066.

The spelling of 215134319 in words is "two hundred fifteen million, one hundred thirty-four thousand, three hundred nineteen".