1339350427 has 2 divisors, whose sum is σ = 1339350428. Its totient is φ = 1339350426.

The previous prime is 1339350373. The next prime is 1339350469. The reversal of 1339350427 is 7240539331.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1339350427 is a prime.

It is not a weakly prime, because it can be changed into another prime (1339350127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669675213 + 669675214.

It is an arithmetic number, because the mean of its divisors is an integer number (669675214).

Almost surely, 2^1339350427 is an apocalyptic number.

1339350427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339350427 is an equidigital number, since it uses as much as digits as its factorization.

1339350427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 37.

The square root of 1339350427 is about 36597.1368688863. The cubic root of 1339350427 is about 1102.2955990757.

Adding to 1339350427 its reverse (7240539331), we get a palindrome (8579889758).

The spelling of 1339350427 in words is "one billion, three hundred thirty-nine million, three hundred fifty thousand, four hundred twenty-seven".