1149289506 has 16 divisors (see below), whose sum is σ = 2553976800. Its totient is φ = 383096484.

The previous prime is 1149289483. The next prime is 1149289579. The reversal of 1149289506 is 6059829411.

1149289506 is a `hidden beast` number, since 114 + 9 + 28 + 9 + 506 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10641516 + ... + 10641623.

It is an arithmetic number, because the mean of its divisors is an integer number (159623550).

Almost surely, 2^1149289506 is an apocalyptic number.

1149289506 is an abundant number, since it is smaller than the sum of its proper divisors (1404687294).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1149289506 is a wasteful number, since it uses less digits than its factorization.

1149289506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21283150 (or 21283144 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 1149289506 is about 33901.1726345860. The cubic root of 1149289506 is about 1047.4737472321.

The spelling of 1149289506 in words is "one billion, one hundred forty-nine million, two hundred eighty-nine thousand, five hundred six".