1149147936 has 36 divisors (see below), whose sum is σ = 3267890262. Its totient is φ = 383049216.

The previous prime is 1149147931. The next prime is 1149147991. The reversal of 1149147936 is 6397419411.

It is a happy number.

1149147936 is a `hidden beast` number, since 1 + 149 + 1 + 479 + 36 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1022720400 + 126427536 = 31980^2 + 11244^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1149147891 and 1149147900.

It is not an unprimeable number, because it can be changed into a prime (1149147931) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1994761 + ... + 1995336.

Almost surely, 2^1149147936 is an apocalyptic number.

1149147936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1149147936 is an abundant number, since it is smaller than the sum of its proper divisors (2118742326).

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

1149147936 is a wasteful number, since it uses less digits than its factorization.

1149147936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3990113 (or 3990102 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 1149147936 is about 33899.0845894104. The cubic root of 1149147936 is about 1047.4307360364.

The spelling of 1149147936 in words is "one billion, one hundred forty-nine million, one hundred forty-seven thousand, nine hundred thirty-six".