1350428939 has 2 divisors, whose sum is σ = 1350428940. Its totient is φ = 1350428938.

The previous prime is 1350428929. The next prime is 1350428941. The reversal of 1350428939 is 9398240531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1350428939 - 2⁸ = 1350428683 is a prime.

Together with 1350428941, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1350428939.

It is not a weakly prime, because it can be changed into another prime (1350428909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675214469 + 675214470.

It is an arithmetic number, because the mean of its divisors is an integer number (675214470).

Almost surely, 2^1350428939 is an apocalyptic number.

1350428939 is a deficient number, since it is larger than the sum of its proper divisors (1).

1350428939 is an equidigital number, since it uses as much as digits as its factorization.

1350428939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 1350428939 is about 36748.1827986092. The cubic root of 1350428939 is about 1105.3264908850.

The spelling of 1350428939 in words is "one billion, three hundred fifty million, four hundred twenty-eight thousand, nine hundred thirty-nine".