1149289005 has 64 divisors (see below), whose sum is σ = 2016541440. Its totient is φ = 556886016.

The previous prime is 1149288971. The next prime is 1149289007. The reversal of 1149289005 is 5009829411.

It is not a de Polignac number, because 1149289005 - 2¹⁸ = 1149026861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149289007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 769039 + ... + 770531.

It is an arithmetic number, because the mean of its divisors is an integer number (31508460).

Almost surely, 2^1149289005 is an apocalyptic number.

1149289005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1149289005 is a deficient number, since it is larger than the sum of its proper divisors (867252435).

1149289005 is a wasteful number, since it uses less digits than its factorization.

1149289005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630.

The product of its (nonzero) digits is 25920, while the sum is 39.

The square root of 1149289005 is about 33901.1652454602. The cubic root of 1149289005 is about 1047.4735950267.

The spelling of 1149289005 in words is "one billion, one hundred forty-nine million, two hundred eighty-nine thousand, five".