1149219736 has 24 divisors (see below), whose sum is σ = 2506589820. Its totient is φ = 492522576.

The previous prime is 1149219733. The next prime is 1149219739. The reversal of 1149219736 is 6379129411.

It is an interprime number because it is at equal distance from previous prime (1149219733) and next prime (1149219739).

It is a super-2 number, since 2×1149219736² = 2641412003223819392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1149219692 and 1149219701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149219733) 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 5 ways as a sum of consecutive naturals, for example, 1465450 + ... + 1466233.

Almost surely, 2^1149219736 is an apocalyptic number.

It is an amenable number.

1149219736 is an abundant number, since it is smaller than the sum of its proper divisors (1357370084).

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

1149219736 is a wasteful number, since it uses less digits than its factorization.

1149219736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2931703 (or 2931692 counting only the distinct ones).

The product of its digits is 81648, while the sum is 43.

The square root of 1149219736 is about 33900.1435985159. The cubic root of 1149219736 is about 1047.4525504487.

The spelling of 1149219736 in words is "one billion, one hundred forty-nine million, two hundred nineteen thousand, seven hundred thirty-six".