1149685508 has 12 divisors (see below), whose sum is σ = 2014662720. Its totient is φ = 574067592.

The previous prime is 1149685507. The next prime is 1149685517. The reversal of 1149685508 is 8055869411.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1149685501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190448 + ... + 196391.

It is an arithmetic number, because the mean of its divisors is an integer number (167888560).

Almost surely, 2^1149685508 is an apocalyptic number.

It is an amenable number.

1149685508 is a deficient number, since it is larger than the sum of its proper divisors (864977212).

1149685508 is a wasteful number, since it uses less digits than its factorization.

1149685508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387586 (or 387584 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 47.

The square root of 1149685508 is about 33907.0126669985. The cubic root of 1149685508 is about 1047.5940401215.

The spelling of 1149685508 in words is "one billion, one hundred forty-nine million, six hundred eighty-five thousand, five hundred eight".