1332138427 has 2 divisors, whose sum is σ = 1332138428. Its totient is φ = 1332138426.

The previous prime is 1332138419. The next prime is 1332138443. The reversal of 1332138427 is 7248312331.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1332138427 - 2³ = 1332138419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1332138392 and 1332138401.

It is not a weakly prime, because it can be changed into another prime (1332138487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666069213 + 666069214.

It is an arithmetic number, because the mean of its divisors is an integer number (666069214).

Almost surely, 2^1332138427 is an apocalyptic number.

1332138427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332138427 is an equidigital number, since it uses as much as digits as its factorization.

1332138427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 34.

The square root of 1332138427 is about 36498.4715707384. The cubic root of 1332138427 is about 1100.3135268821.

The spelling of 1332138427 in words is "one billion, three hundred thirty-two million, one hundred thirty-eight thousand, four hundred twenty-seven".