1378106064 has 30 divisors (see below), whose sum is σ = 3856783346. Its totient is φ = 459368640.

The previous prime is 1378106027. The next prime is 1378106089. The reversal of 1378106064 is 4606018731.

1378106064 is a `hidden beast` number, since 1 + 37 + 8 + 10 + 606 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1288235664 + 89870400 = 35892^2 + 9480^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4784947 + ... + 4785234.

Almost surely, 2^1378106064 is an apocalyptic number.

It is an amenable number.

1378106064 is an abundant number, since it is smaller than the sum of its proper divisors (2478677282).

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

1378106064 is a wasteful number, since it uses less digits than its factorization.

1378106064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9570195 (or 9570186 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1378106064 is about 37122.8509681032. The cubic root of 1378106064 is about 1112.8267276512.

The spelling of 1378106064 in words is "one billion, three hundred seventy-eight million, one hundred six thousand, sixty-four".