1149693530 has 16 divisors (see below), whose sum is σ = 2071176264. Its totient is φ = 459493440.

The previous prime is 1149693521. The next prime is 1149693533. The reversal of 1149693530 is 353969411.

It can be written as a sum of positive squares in 4 ways, for example, as 455950609 + 693742921 = 21353^2 + 26339^2 .

It is not an unprimeable number, because it can be changed into a prime (1149693533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35261 + ... + 59520.

Almost surely, 2^1149693530 is an apocalyptic number.

1149693530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1149693530 is a deficient number, since it is larger than the sum of its proper divisors (921482734).

1149693530 is a wasteful number, since it uses less digits than its factorization.

1149693530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96001.

The product of its (nonzero) digits is 87480, while the sum is 41.

The square root of 1149693530 is about 33907.1309609056. The cubic root of 1149693530 is about 1047.5964766661.

The spelling of 1149693530 in words is "one billion, one hundred forty-nine million, six hundred ninety-three thousand, five hundred thirty".