213446127 has 4 divisors (see below), whose sum is σ = 284594840. Its totient is φ = 142297416.

The previous prime is 213446117. The next prime is 213446131. The reversal of 213446127 is 721644312.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 213446127 - 2¹⁰ = 213445103 is a prime.

It is a super-3 number, since 3×213446127³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213446094 and 213446103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213446117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 35574352 + ... + 35574357.

It is an arithmetic number, because the mean of its divisors is an integer number (71148710).

Almost surely, 2^213446127 is an apocalyptic number.

213446127 is a deficient number, since it is larger than the sum of its proper divisors (71148713).

213446127 is an equidigital number, since it uses as much as digits as its factorization.

213446127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71148712.

The product of its digits is 8064, while the sum is 30.

The square root of 213446127 is about 14609.7955837856. The cubic root of 213446127 is about 597.6259214190.

The spelling of 213446127 in words is "two hundred thirteen million, four hundred forty-six thousand, one hundred twenty-seven".