1375420743 has 10 divisors (see below), whose sum is σ = 2054640984. Its totient is φ = 916947108.

The previous prime is 1375420687. The next prime is 1375420759. The reversal of 1375420743 is 3470245731.

It is not a de Polignac number, because 1375420743 - 2¹⁸ = 1375158599 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1375420698 and 1375420707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375420763) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8490171 + ... + 8490332.

Almost surely, 2^1375420743 is an apocalyptic number.

1375420743 is a deficient number, since it is larger than the sum of its proper divisors (679220241).

1375420743 is an equidigital number, since it uses as much as digits as its factorization.

1375420743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16980515 (or 16980506 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 1375420743 is about 37086.6652989993. The cubic root of 1375420743 is about 1112.1034548155.

The spelling of 1375420743 in words is "one billion, three hundred seventy-five million, four hundred twenty thousand, seven hundred forty-three".