1320341534 has 4 divisors (see below), whose sum is σ = 1980512304. Its totient is φ = 660170766.

The previous prime is 1320341513. The next prime is 1320341537. The reversal of 1320341534 is 4351430231.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320341537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330085382 + ... + 330085385.

It is an arithmetic number, because the mean of its divisors is an integer number (495128076).

Almost surely, 2^1320341534 is an apocalyptic number.

1320341534 is a deficient number, since it is larger than the sum of its proper divisors (660170770).

1320341534 is an equidigital number, since it uses as much as digits as its factorization.

1320341534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660170769.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 1320341534 is about 36336.5041521608. The cubic root of 1320341534 is about 1097.0559108090.

Adding to 1320341534 its reverse (4351430231), we get a palindrome (5671771765).

The spelling of 1320341534 in words is "one billion, three hundred twenty million, three hundred forty-one thousand, five hundred thirty-four".