1361306797 has 4 divisors (see below), whose sum is σ = 1361470176. Its totient is φ = 1361143420.

The previous prime is 1361306789. The next prime is 1361306809. The reversal of 1361306797 is 7976031631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1361306797 - 2³ = 1361306789 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 (1361306747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68479 + ... + 86092.

It is an arithmetic number, because the mean of its divisors is an integer number (340367544).

Almost surely, 2^1361306797 is an apocalyptic number.

It is an amenable number.

1361306797 is a deficient number, since it is larger than the sum of its proper divisors (163379).

1361306797 is an equidigital number, since it uses as much as digits as its factorization.

1361306797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163378.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 1361306797 is about 36895.8913295234. The cubic root of 1361306797 is about 1108.2864009272.

The spelling of 1361306797 in words is "one billion, three hundred sixty-one million, three hundred six thousand, seven hundred ninety-seven".