1373342665 has 8 divisors (see below), whose sum is σ = 1649680128. Its totient is φ = 1097561520.

The previous prime is 1373342639. The next prime is 1373342701. The reversal of 1373342665 is 5662433731.

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

It is a de Polignac number, because none of the positive numbers 2^k-1373342665 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133627 + ... + 143536.

It is an arithmetic number, because the mean of its divisors is an integer number (206210016).

Almost surely, 2^1373342665 is an apocalyptic number.

It is an amenable number.

1373342665 is a deficient number, since it is larger than the sum of its proper divisors (276337463).

1373342665 is an equidigital number, since it uses as much as digits as its factorization.

1373342665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278159.

The product of its digits is 272160, while the sum is 40.

The square root of 1373342665 is about 37058.6381967821. The cubic root of 1373342665 is about 1111.5430923220.

The spelling of 1373342665 in words is "one billion, three hundred seventy-three million, three hundred forty-two thousand, six hundred sixty-five".