1366741073 has 4 divisors (see below), whose sum is σ = 1366873920. Its totient is φ = 1366608228.

The previous prime is 1366741069. The next prime is 1366741097. The reversal of 1366741073 is 3701476631.

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 1366741073 - 2² = 1366741069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1366741043) 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, 49565 + ... + 72042.

It is an arithmetic number, because the mean of its divisors is an integer number (341718480).

Almost surely, 2^1366741073 is an apocalyptic number.

It is an amenable number.

1366741073 is a deficient number, since it is larger than the sum of its proper divisors (132847).

1366741073 is a wasteful number, since it uses less digits than its factorization.

1366741073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132846.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 1366741073 is about 36969.4613566387. The cubic root of 1366741073 is about 1109.7591861870.

The spelling of 1366741073 in words is "one billion, three hundred sixty-six million, seven hundred forty-one thousand, seventy-three".