1373241965 has 16 divisors (see below), whose sum is σ = 1670900400. Its totient is φ = 1083320832.

The previous prime is 1373241941. The next prime is 1373241971. The reversal of 1373241965 is 5691423731.

It can be written as a sum of positive squares in 8 ways, for example, as 300744964 + 1072497001 = 17342^2 + 32749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1373241965 is a prime.

It is a super-2 number, since 2×1373241965² = 3771586988874122450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169139 + ... + 177071.

It is an arithmetic number, because the mean of its divisors is an integer number (104431275).

Almost surely, 2^1373241965 is an apocalyptic number.

It is an amenable number.

1373241965 is a deficient number, since it is larger than the sum of its proper divisors (297658435).

1373241965 is an equidigital number, since it uses as much as digits as its factorization.

1373241965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8416.

The product of its digits is 136080, while the sum is 41.

The square root of 1373241965 is about 37057.2795142871. The cubic root of 1373241965 is about 1111.5159237869.

The spelling of 1373241965 in words is "one billion, three hundred seventy-three million, two hundred forty-one thousand, nine hundred sixty-five".