1361115726 has 8 divisors (see below), whose sum is σ = 2722231464. Its totient is φ = 453705240.

The previous prime is 1361115719. The next prime is 1361115731. The reversal of 1361115726 is 6275111631.

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

1361115726 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113426305 + ... + 113426316.

It is an arithmetic number, because the mean of its divisors is an integer number (340278933).

Almost surely, 2^1361115726 is an apocalyptic number.

1361115726 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1361115726 is a wasteful number, since it uses less digits than its factorization.

1361115726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226852626.

The product of its digits is 7560, while the sum is 33.

The square root of 1361115726 is about 36893.3019124068. The cubic root of 1361115726 is about 1108.2345460234.

The spelling of 1361115726 in words is "one billion, three hundred sixty-one million, one hundred fifteen thousand, seven hundred twenty-six".