1378147003 has 2 divisors, whose sum is σ = 1378147004. Its totient is φ = 1378147002.

The previous prime is 1378146989. The next prime is 1378147013. The reversal of 1378147003 is 3007418731.

It is a strong prime.

It is an emirp because it is prime and its reverse (3007418731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1378147003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1378147003.

It is not a weakly prime, because it can be changed into another prime (1378147013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689073501 + 689073502.

It is an arithmetic number, because the mean of its divisors is an integer number (689073502).

Almost surely, 2^1378147003 is an apocalyptic number.

1378147003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1378147003 is an equidigital number, since it uses as much as digits as its factorization.

1378147003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 1378147003 is about 37123.4023629300. The cubic root of 1378147003 is about 1112.8377470165.

The spelling of 1378147003 in words is "one billion, three hundred seventy-eight million, one hundred forty-seven thousand, three".