213769064 has 16 divisors (see below), whose sum is σ = 402247620. Its totient is φ = 106503040.

The previous prime is 213769051. The next prime is 213769081. The reversal of 213769064 is 460967312.

It can be written as a sum of positive squares in 2 ways, for example, as 202492900 + 11276164 = 14230^2 + 3358^2 .

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 3 ways as a sum of consecutive naturals, for example, 45299 + ... + 49794.

Almost surely, 2^213769064 is an apocalyptic number.

It is an amenable number.

213769064 is a deficient number, since it is larger than the sum of its proper divisors (188478556).

213769064 is a wasteful number, since it uses less digits than its factorization.

213769064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95380 (or 95376 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 213769064 is about 14620.8434777204. The cubic root of 213769064 is about 597.9271656949.

The spelling of 213769064 in words is "two hundred thirteen million, seven hundred sixty-nine thousand, sixty-four".