1366740067 has 16 divisors (see below), whose sum is σ = 1705036032. Its totient is φ = 1064337120.

The previous prime is 1366740061. The next prime is 1366740073. The reversal of 1366740067 is 7600476631.

It is an interprime number because it is at equal distance from previous prime (1366740061) and next prime (1366740073).

It is not a de Polignac number, because 1366740067 - 2¹⁹ = 1366215779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1366740061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148533 + ... + 157465.

It is an arithmetic number, because the mean of its divisors is an integer number (106564752).

Almost surely, 2^1366740067 is an apocalyptic number.

1366740067 is a deficient number, since it is larger than the sum of its proper divisors (338295965).

1366740067 is a wasteful number, since it uses less digits than its factorization.

1366740067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10938.

The product of its (nonzero) digits is 127008, while the sum is 40.

The square root of 1366740067 is about 36969.4477508118. The cubic root of 1366740067 is about 1109.7589139047.

The spelling of 1366740067 in words is "one billion, three hundred sixty-six million, seven hundred forty thousand, sixty-seven".