1380065089 has 16 divisors (see below), whose sum is σ = 1526353920. Its totient is φ = 1239814080.

The previous prime is 1380065081. The next prime is 1380065143. The reversal of 1380065089 is 9805600831.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1380065089 - 2³ = 1380065081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1380065081) 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, 104352 + ... + 116830.

It is an arithmetic number, because the mean of its divisors is an integer number (95397120).

Almost surely, 2^1380065089 is an apocalyptic number.

It is an amenable number.

1380065089 is a deficient number, since it is larger than the sum of its proper divisors (146288831).

1380065089 is a wasteful number, since it uses less digits than its factorization.

1380065089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12720.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1380065089 is about 37149.2273001741. The cubic root of 1380065089 is about 1113.3537850973.

The spelling of 1380065089 in words is "one billion, three hundred eighty million, sixty-five thousand, eighty-nine".