1375746503 has 2 divisors, whose sum is σ = 1375746504. Its totient is φ = 1375746502.

The previous prime is 1375746499. The next prime is 1375746557. The reversal of 1375746503 is 3056475731.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1375746503 - 2² = 1375746499 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1375746563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687873251 + 687873252.

It is an arithmetic number, because the mean of its divisors is an integer number (687873252).

Almost surely, 2^1375746503 is an apocalyptic number.

1375746503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1375746503 is an equidigital number, since it uses as much as digits as its factorization.

1375746503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 264600, while the sum is 41.

The square root of 1375746503 is about 37091.0569140325. The cubic root of 1375746503 is about 1112.1912461879.

The spelling of 1375746503 in words is "one billion, three hundred seventy-five million, seven hundred forty-six thousand, five hundred three".