1136040405 has 8 divisors (see below), whose sum is σ = 1817664672. Its totient is φ = 605888208.

The previous prime is 1136040397. The next prime is 1136040407. The reversal of 1136040405 is 5040406311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1136040405 - 2³ = 1136040397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136040407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37867999 + ... + 37868028.

It is an arithmetic number, because the mean of its divisors is an integer number (227208084).

Almost surely, 2^1136040405 is an apocalyptic number.

1136040405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1136040405 is a deficient number, since it is larger than the sum of its proper divisors (681624267).

1136040405 is an equidigital number, since it uses as much as digits as its factorization.

1136040405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75736035.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1136040405 is about 33705.1984862869. The cubic root of 1136040405 is about 1043.4330598283.

Adding to 1136040405 its reverse (5040406311), we get a palindrome (6176446716).

The spelling of 1136040405 in words is "one billion, one hundred thirty-six million, forty thousand, four hundred five".