1356442005 has 8 divisors (see below), whose sum is σ = 2170307232. Its totient is φ = 723435728.

The previous prime is 1356441979. The next prime is 1356442033. The reversal of 1356442005 is 5002446531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1356442005 - 2¹⁷ = 1356310933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45214719 + ... + 45214748.

It is an arithmetic number, because the mean of its divisors is an integer number (271288404).

Almost surely, 2^1356442005 is an apocalyptic number.

1356442005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1356442005 is a deficient number, since it is larger than the sum of its proper divisors (813865227).

1356442005 is an equidigital number, since it uses as much as digits as its factorization.

1356442005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90429475.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1356442005 is about 36829.9063941249. The cubic root of 1356442005 is about 1106.9646273447.

Adding to 1356442005 its reverse (5002446531), we get a palindrome (6358888536).

The spelling of 1356442005 in words is "one billion, three hundred fifty-six million, four hundred forty-two thousand, five".