1370663057 has 4 divisors (see below), whose sum is σ = 1370874660. Its totient is φ = 1370451456.

The previous prime is 1370663053. The next prime is 1370663071. The reversal of 1370663057 is 7503660731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1049500816 + 321162241 = 32396^2 + 17921^2 .

It is a cyclic number.

It is not a de Polignac number, because 1370663057 - 2² = 1370663053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1370663057.

It is not an unprimeable number, because it can be changed into a prime (1370663053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95768 + ... + 109145.

It is an arithmetic number, because the mean of its divisors is an integer number (342718665).

Almost surely, 2^1370663057 is an apocalyptic number.

It is an amenable number.

1370663057 is a deficient number, since it is larger than the sum of its proper divisors (211603).

1370663057 is an equidigital number, since it uses as much as digits as its factorization.

1370663057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211602.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 1370663057 is about 37022.4669221272. The cubic root of 1370663057 is about 1110.8196897036.

The spelling of 1370663057 in words is "one billion, three hundred seventy million, six hundred sixty-three thousand, fifty-seven".