1390751983 has 2 divisors, whose sum is σ = 1390751984. Its totient is φ = 1390751982.

The previous prime is 1390751969. The next prime is 1390752019. The reversal of 1390751983 is 3891570931.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (3891570931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1390751983 - 2¹³ = 1390743791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1390751903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695375991 + 695375992.

It is an arithmetic number, because the mean of its divisors is an integer number (695375992).

Almost surely, 2^1390751983 is an apocalyptic number.

1390751983 is a deficient number, since it is larger than the sum of its proper divisors (1).

1390751983 is an equidigital number, since it uses as much as digits as its factorization.

1390751983 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 46.

The square root of 1390751983 is about 37292.7872785074. The cubic root of 1390751983 is about 1116.2202471977.

The spelling of 1390751983 in words is "one billion, three hundred ninety million, seven hundred fifty-one thousand, nine hundred eighty-three".