1320142346 has 16 divisors (see below), whose sum is σ = 2016593280. Its totient is φ = 647976000.

The previous prime is 1320142337. The next prime is 1320142349. The reversal of 1320142346 is 6432410231.

It is not an unprimeable number, because it can be changed into a prime (1320142349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81170 + ... + 96066.

It is an arithmetic number, because the mean of its divisors is an integer number (126037080).

Almost surely, 2^1320142346 is an apocalyptic number.

1320142346 is a deficient number, since it is larger than the sum of its proper divisors (696450934).

1320142346 is a wasteful number, since it uses less digits than its factorization.

1320142346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15709.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1320142346 is about 36333.7631687113. The cubic root of 1320142346 is about 1097.0007403962. Note that the first 3 decimals are identical.

Adding to 1320142346 its reverse (6432410231), we get a palindrome (7752552577).

The spelling of 1320142346 in words is "one billion, three hundred twenty million, one hundred forty-two thousand, three hundred forty-six".