1326342407 has 16 divisors (see below), whose sum is σ = 1457111040. Its totient is φ = 1199917152.

The previous prime is 1326342389. The next prime is 1326342421. The reversal of 1326342407 is 7042436231.

It is a cyclic number.

It is not a de Polignac number, because 1326342407 - 2¹⁰ = 1326341383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326342427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132194 + ... + 141872.

It is an arithmetic number, because the mean of its divisors is an integer number (91069440).

Almost surely, 2^1326342407 is an apocalyptic number.

1326342407 is a deficient number, since it is larger than the sum of its proper divisors (130768633).

1326342407 is a wasteful number, since it uses less digits than its factorization.

1326342407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9902.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 1326342407 is about 36418.9841566181. The cubic root of 1326342407 is about 1098.7154169733.

Adding to 1326342407 its reverse (7042436231), we get a palindrome (8368778638).

The spelling of 1326342407 in words is "one billion, three hundred twenty-six million, three hundred forty-two thousand, four hundred seven".