1139411485 has 16 divisors (see below), whose sum is σ = 1486854576. Its totient is φ = 834720768.

The previous prime is 1139411477. The next prime is 1139411489. The reversal of 1139411485 is 5841149311.

It can be written as a sum of positive squares in 8 ways, for example, as 137499076 + 1001912409 = 11726^2 + 31653^2 .

It is a cyclic number.

It is not a de Polignac number, because 1139411485 - 2³ = 1139411477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139411489) 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, 178002 + ... + 184291.

It is an arithmetic number, because the mean of its divisors is an integer number (92928411).

Almost surely, 2^1139411485 is an apocalyptic number.

It is an amenable number.

1139411485 is a deficient number, since it is larger than the sum of its proper divisors (347443091).

1139411485 is a wasteful number, since it uses less digits than its factorization.

1139411485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362352.

The product of its digits is 17280, while the sum is 37.

The square root of 1139411485 is about 33755.1697522024. The cubic root of 1139411485 is about 1044.4641331252.

The spelling of 1139411485 in words is "one billion, one hundred thirty-nine million, four hundred eleven thousand, four hundred eighty-five".