1361723056 has 10 divisors (see below), whose sum is σ = 2638338452. Its totient is φ = 680861520.

The previous prime is 1361723053. The next prime is 1361723059. The reversal of 1361723056 is 6503271631.

It is an interprime number because it is at equal distance from previous prime (1361723053) and next prime (1361723059).

It is not an unprimeable number, because it can be changed into a prime (1361723053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42553830 + ... + 42553861.

Almost surely, 2^1361723056 is an apocalyptic number.

1361723056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1361723056 is a deficient number, since it is larger than the sum of its proper divisors (1276615396).

1361723056 is an equidigital number, since it uses as much as digits as its factorization.

1361723056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85107699 (or 85107693 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 1361723056 is about 36901.5318923212. The cubic root of 1361723056 is about 1108.3993529759.

Adding to 1361723056 its reverse (6503271631), we get a palindrome (7864994687).

The spelling of 1361723056 in words is "one billion, three hundred sixty-one million, seven hundred twenty-three thousand, fifty-six".