1149581682 has 12 divisors (see below), whose sum is σ = 2490760350. Its totient is φ = 383193888.

The previous prime is 1149581669. The next prime is 1149581707. The reversal of 1149581682 is 2861859411.

It is a happy number.

1149581682 is a `hidden beast` number, since 1 + 1 + 4 + 9 + 581 + 68 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 700607961 + 448973721 = 26469^2 + 21189^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31932807 + ... + 31932842.

Almost surely, 2^1149581682 is an apocalyptic number.

1149581682 is an abundant number, since it is smaller than the sum of its proper divisors (1341178668).

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

1149581682 is a wasteful number, since it uses less digits than its factorization.

1149581682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63865657 (or 63865654 counting only the distinct ones).

The product of its digits is 138240, while the sum is 45.

The square root of 1149581682 is about 33905.4815922146. The cubic root of 1149581682 is about 1047.5625037369.

The spelling of 1149581682 in words is "one billion, one hundred forty-nine million, five hundred eighty-one thousand, six hundred eighty-two".