1361808026 has 16 divisors (see below), whose sum is σ = 2066043840. Its totient is φ = 673142400.

The previous prime is 1361807987. The next prime is 1361808043. The reversal of 1361808026 is 6208081631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200555 + ... + 207233.

It is an arithmetic number, because the mean of its divisors is an integer number (129127740).

Almost surely, 2^1361808026 is an apocalyptic number.

1361808026 is a deficient number, since it is larger than the sum of its proper divisors (704235814).

1361808026 is a wasteful number, since it uses less digits than its factorization.

1361808026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7829.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 1361808026 is about 36902.6831815791. The cubic root of 1361808026 is about 1108.4224067909.

Adding to 1361808026 its reverse (6208081631), we get a palindrome (7569889657).

The spelling of 1361808026 in words is "one billion, three hundred sixty-one million, eight hundred eight thousand, twenty-six".