1373035648 has 16 divisors (see below), whose sum is σ = 2735344710. Its totient is φ = 686517760.

The previous prime is 1373035637. The next prime is 1373035661. The reversal of 1373035648 is 8465303731.

It can be written as a sum of positive squares in only one way, i.e., 1101708864 + 271326784 = 33192^2 + 16472^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 1373035648.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5363293 + ... + 5363548.

Almost surely, 2^1373035648 is an apocalyptic number.

It is an amenable number.

1373035648 is a deficient number, since it is larger than the sum of its proper divisors (1362309062).

1373035648 is an equidigital number, since it uses as much as digits as its factorization.

1373035648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10726855 (or 10726843 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The square root of 1373035648 is about 37054.4956516750. The cubic root of 1373035648 is about 1111.4602559773.

The spelling of 1373035648 in words is "one billion, three hundred seventy-three million, thirty-five thousand, six hundred forty-eight".