1369280071 has 4 divisors (see below), whose sum is σ = 1372399600. Its totient is φ = 1366160544.

The previous prime is 1369280063. The next prime is 1369280119. The reversal of 1369280071 is 1700829631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1369280071 - 2³ = 1369280063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1369280071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369280021) 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, 1559106 + ... + 1559983.

It is an arithmetic number, because the mean of its divisors is an integer number (343099900).

Almost surely, 2^1369280071 is an apocalyptic number.

1369280071 is a deficient number, since it is larger than the sum of its proper divisors (3119529).

1369280071 is an equidigital number, since it uses as much as digits as its factorization.

1369280071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119528.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1369280071 is about 37003.7845496917. The cubic root of 1369280071 is about 1110.4459618090.

The spelling of 1369280071 in words is "one billion, three hundred sixty-nine million, two hundred eighty thousand, seventy-one".