212746134 has 32 divisors (see below), whose sum is σ = 438449760. Its totient is φ = 68786432.

The previous prime is 212746129. The next prime is 212746141. The reversal of 212746134 is 431647212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24544 + ... + 32060.

It is an arithmetic number, because the mean of its divisors is an integer number (13701555).

Almost surely, 2^212746134 is an apocalyptic number.

212746134 is an abundant number, since it is smaller than the sum of its proper divisors (225703626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212746134 is a wasteful number, since it uses less digits than its factorization.

212746134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7664.

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

The square root of 212746134 is about 14585.8196204396. The cubic root of 212746134 is about 596.9719045500.

The spelling of 212746134 in words is "two hundred twelve million, seven hundred forty-six thousand, one hundred thirty-four".