1380102169 has 4 divisors (see below), whose sum is σ = 1380287844. Its totient is φ = 1379916496.

The previous prime is 1380102151. The next prime is 1380102179. The reversal of 1380102169 is 9612010831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9612010831 = 137 ⋅70160663.

It can be written as a sum of positive squares in 2 ways, for example, as 1275346944 + 104755225 = 35712^2 + 10235^2 .

It is a cyclic number.

It is not a de Polignac number, because 1380102169 - 2²¹ = 1378005017 is a prime.

It is a super-2 number, since 2×1380102169² = 3809363993757009122, which contains 22 as substring.

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 1380102169.

It is not an unprimeable number, because it can be changed into a prime (1380102179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81202 + ... + 96715.

It is an arithmetic number, because the mean of its divisors is an integer number (345071961).

Almost surely, 2^1380102169 is an apocalyptic number.

It is an amenable number.

1380102169 is a deficient number, since it is larger than the sum of its proper divisors (185675).

1380102169 is an equidigital number, since it uses as much as digits as its factorization.

1380102169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185674.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 1380102169 is about 37149.7263650757. The cubic root of 1380102169 is about 1113.3637563150.

The spelling of 1380102169 in words is "one billion, three hundred eighty million, one hundred two thousand, one hundred sixty-nine".