1388954713 has 2 divisors, whose sum is σ = 1388954714. Its totient is φ = 1388954712.

The previous prime is 1388954711. The next prime is 1388954759. The reversal of 1388954713 is 3174598831.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 795691264 + 593263449 = 28208^2 + 24357^2 .

It is a cyclic number.

It is not a de Polignac number, because 1388954713 - 2¹ = 1388954711 is a prime.

Together with 1388954711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1388954711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694477356 + 694477357.

It is an arithmetic number, because the mean of its divisors is an integer number (694477357).

Almost surely, 2^1388954713 is an apocalyptic number.

It is an amenable number.

1388954713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1388954713 is an equidigital number, since it uses as much as digits as its factorization.

1388954713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 49.

The square root of 1388954713 is about 37268.6827376552. The cubic root of 1388954713 is about 1115.7392091234.

The spelling of 1388954713 in words is "one billion, three hundred eighty-eight million, nine hundred fifty-four thousand, seven hundred thirteen".