1148709132 has 36 divisors (see below), whose sum is σ = 2925858936. Its totient is φ = 379978560.

The previous prime is 1148709131. The next prime is 1148709143. The reversal of 1148709132 is 2319078411.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1148709131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117073 + ... + 126504.

Almost surely, 2^1148709132 is an apocalyptic number.

1148709132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1148709132 is an abundant number, since it is smaller than the sum of its proper divisors (1777149804).

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

1148709132 is a wasteful number, since it uses less digits than its factorization.

1148709132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243718 (or 243713 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 1148709132 is about 33892.6117612674. The cubic root of 1148709132 is about 1047.2973980224.

The spelling of 1148709132 in words is "one billion, one hundred forty-eight million, seven hundred nine thousand, one hundred thirty-two".