1388901541 has 2 divisors, whose sum is σ = 1388901542. Its totient is φ = 1388901540.

The previous prime is 1388901511. The next prime is 1388901571. The reversal of 1388901541 is 1451098831.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1388901511) and next prime (1388901571).

It can be written as a sum of positive squares in only one way, i.e., 1265224900 + 123676641 = 35570^2 + 11121^2 .

It is a cyclic number.

It is not a de Polignac number, because 1388901541 - 2¹¹ = 1388899493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1388901494 and 1388901503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1388901511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694450770 + 694450771.

It is an arithmetic number, because the mean of its divisors is an integer number (694450771).

Almost surely, 2^1388901541 is an apocalyptic number.

It is an amenable number.

1388901541 is a deficient number, since it is larger than the sum of its proper divisors (1).

1388901541 is an equidigital number, since it uses as much as digits as its factorization.

1388901541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 40.

The square root of 1388901541 is about 37267.9693704929. The cubic root of 1388901541 is about 1115.7249713560.

The spelling of 1388901541 in words is "one billion, three hundred eighty-eight million, nine hundred one thousand, five hundred forty-one".