1342326397 has 2 divisors, whose sum is σ = 1342326398. Its totient is φ = 1342326396.

The previous prime is 1342326343. The next prime is 1342326463. The reversal of 1342326397 is 7936232431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 988096356 + 354230041 = 31434^2 + 18821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342326397 - 2²⁷ = 1208108669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342326317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671163198 + 671163199.

It is an arithmetic number, because the mean of its divisors is an integer number (671163199).

Almost surely, 2^1342326397 is an apocalyptic number.

It is an amenable number.

1342326397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342326397 is an equidigital number, since it uses as much as digits as its factorization.

1342326397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 40.

The square root of 1342326397 is about 36637.7728171351. The cubic root of 1342326397 is about 1103.1114104659. Note that the first 3 decimals are identical.

The spelling of 1342326397 in words is "one billion, three hundred forty-two million, three hundred twenty-six thousand, three hundred ninety-seven".