1388714468 has 12 divisors (see below), whose sum is σ = 2455305132. Its totient is φ = 687198720.

The previous prime is 1388714443. The next prime is 1388714497. The reversal of 1388714468 is 8644178831.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 816930724 + 571783744 = 28582^2 + 23912^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

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, 1789193 + ... + 1789968.

It is an arithmetic number, because the mean of its divisors is an integer number (204608761).

Almost surely, 2^1388714468 is an apocalyptic number.

It is an amenable number.

1388714468 is a deficient number, since it is larger than the sum of its proper divisors (1066590664).

1388714468 is a wasteful number, since it uses less digits than its factorization.

1388714468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3579262 (or 3579260 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 50.

The square root of 1388714468 is about 37265.4594497371. The cubic root of 1388714468 is about 1115.6748762789.

The spelling of 1388714468 in words is "one billion, three hundred eighty-eight million, seven hundred fourteen thousand, four hundred sixty-eight".