2064212138 has 8 divisors (see below), whose sum is σ = 3096567588. Its totient is φ = 1032022944.

The previous prime is 2064212113. The next prime is 2064212197. The reversal of 2064212138 is 8312124602.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1448030809 + 616181329 = 38053^2 + 24823^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2064212138.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3581 + ... + 64352.

Almost surely, 2^2064212138 is an apocalyptic number.

2064212138 is a deficient number, since it is larger than the sum of its proper divisors (1032355450).

2064212138 is a wasteful number, since it uses less digits than its factorization.

2064212138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83128.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 2064212138 is about 45433.6014200944. The cubic root of 2064212138 is about 1273.2629711005.

The spelling of 2064212138 in words is "two billion, sixty-four million, two hundred twelve thousand, one hundred thirty-eight".