1361385577 has 8 divisors (see below), whose sum is σ = 1372552416. Its totient is φ = 1350236832.

The previous prime is 1361385569. The next prime is 1361385583. The reversal of 1361385577 is 7755831631.

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 1361385577 - 2³ = 1361385569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1361386577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175258 + ... + 182860.

It is an arithmetic number, because the mean of its divisors is an integer number (171569052).

Almost surely, 2^1361385577 is an apocalyptic number.

It is an amenable number.

1361385577 is a deficient number, since it is larger than the sum of its proper divisors (11166839).

1361385577 is a wasteful number, since it uses less digits than its factorization.

1361385577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9047.

The product of its digits is 529200, while the sum is 46.

The square root of 1361385577 is about 36896.9589126258. The cubic root of 1361385577 is about 1108.3077796786.

The spelling of 1361385577 in words is "one billion, three hundred sixty-one million, three hundred eighty-five thousand, five hundred seventy-seven".