1368198677 has 8 divisors (see below), whose sum is σ = 1442406336. Its totient is φ = 1295217792.

The previous prime is 1368198653. The next prime is 1368198679. The reversal of 1368198677 is 7768918631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1368198677 - 2⁸ = 1368198421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368198679) 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 7 ways as a sum of consecutive naturals, for example, 304403 + ... + 308864.

It is an arithmetic number, because the mean of its divisors is an integer number (180300792).

Almost surely, 2^1368198677 is an apocalyptic number.

It is an amenable number.

1368198677 is a deficient number, since it is larger than the sum of its proper divisors (74207659).

1368198677 is an equidigital number, since it uses as much as digits as its factorization.

1368198677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613387.

The product of its digits is 3048192, while the sum is 56.

The square root of 1368198677 is about 36989.1697257454. The cubic root of 1368198677 is about 1110.1535585516.

The spelling of 1368198677 in words is "one billion, three hundred sixty-eight million, one hundred ninety-eight thousand, six hundred seventy-seven".