1136144005 has 12 divisors (see below), whose sum is σ = 1373963436. Its totient is φ = 901908800.

The previous prime is 1136144003. The next prime is 1136144011. The reversal of 1136144005 is 5004416311.

It can be written as a sum of positive squares in 2 ways, for example, as 876515236 + 259628769 = 29606^2 + 16113^2 .

It is not a de Polignac number, because 1136144005 - 2¹ = 1136144003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136144003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79185 + ... + 92425.

It is an arithmetic number, because the mean of its divisors is an integer number (114496953).

Almost surely, 2^1136144005 is an apocalyptic number.

It is an amenable number.

1136144005 is a deficient number, since it is larger than the sum of its proper divisors (237819431).

1136144005 is an equidigital number, since it uses as much as digits as its factorization.

1136144005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13508 (or 13377 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1136144005 is about 33706.7353061669. The cubic root of 1136144005 is about 1043.4647771213.

The spelling of 1136144005 in words is "one billion, one hundred thirty-six million, one hundred forty-four thousand, five".