1373274256 has 10 divisors (see below), whose sum is σ = 2660718902. Its totient is φ = 686637120.

The previous prime is 1373274209. The next prime is 1373274281. The reversal of 1373274256 is 6524723731.

It can be written as a sum of positive squares in only one way, i.e., 828518656 + 544755600 = 28784^2 + 23340^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42914805 + ... + 42914836.

Almost surely, 2^1373274256 is an apocalyptic number.

1373274256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1373274256 is a deficient number, since it is larger than the sum of its proper divisors (1287444646).

1373274256 is an equidigital number, since it uses as much as digits as its factorization.

1373274256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85829649 (or 85829643 counting only the distinct ones).

The product of its digits is 211680, while the sum is 40.

The square root of 1373274256 is about 37057.7152021006. The cubic root of 1373274256 is about 1111.5246359391.

Adding to 1373274256 its reverse (6524723731), we get a palindrome (7897997987).

The spelling of 1373274256 in words is "one billion, three hundred seventy-three million, two hundred seventy-four thousand, two hundred fifty-six".