1380038071 has 2 divisors, whose sum is σ = 1380038072. Its totient is φ = 1380038070.

The previous prime is 1380038069. The next prime is 1380038081. The reversal of 1380038071 is 1708300831.

It is a weak prime.

It is an emirp because it is prime and its reverse (1708300831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1380038071 - 2¹ = 1380038069 is a prime.

Together with 1380038069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1380038081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690019035 + 690019036.

It is an arithmetic number, because the mean of its divisors is an integer number (690019036).

Almost surely, 2^1380038071 is an apocalyptic number.

1380038071 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380038071 is an equidigital number, since it uses as much as digits as its factorization.

1380038071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1380038071 is about 37148.8636569142. The cubic root of 1380038071 is about 1113.3465195489.

The spelling of 1380038071 in words is "one billion, three hundred eighty million, thirty-eight thousand, seventy-one".