1365740771 has 2 divisors, whose sum is σ = 1365740772. Its totient is φ = 1365740770.

The previous prime is 1365740687. The next prime is 1365740801. The reversal of 1365740771 is 1770475631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1365740771 - 2¹⁸ = 1365478627 is a prime.

It is not a weakly prime, because it can be changed into another prime (1365700771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 682870385 + 682870386.

It is an arithmetic number, because the mean of its divisors is an integer number (682870386).

Almost surely, 2^1365740771 is an apocalyptic number.

1365740771 is a deficient number, since it is larger than the sum of its proper divisors (1).

1365740771 is an equidigital number, since it uses as much as digits as its factorization.

1365740771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 1365740771 is about 36955.9301195356. The cubic root of 1365740771 is about 1109.4883801342.

The spelling of 1365740771 in words is "one billion, three hundred sixty-five million, seven hundred forty thousand, seven hundred seventy-one".