1382140865 has 16 divisors (see below), whose sum is σ = 1907588352. Its totient is φ = 941713344.

The previous prime is 1382140853. The next prime is 1382140871. The reversal of 1382140865 is 5680412831.

It is a cyclic number.

It is not a de Polignac number, because 1382140865 - 2¹⁴ = 1382124481 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120269 + ... + 131258.

It is an arithmetic number, because the mean of its divisors is an integer number (119224272).

Almost surely, 2^1382140865 is an apocalyptic number.

It is an amenable number.

1382140865 is a deficient number, since it is larger than the sum of its proper divisors (525447487).

1382140865 is a wasteful number, since it uses less digits than its factorization.

1382140865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251696.

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 1382140865 is about 37177.1551493656. The cubic root of 1382140865 is about 1113.9117093445.

The spelling of 1382140865 in words is "one billion, three hundred eighty-two million, one hundred forty thousand, eight hundred sixty-five".