1013115132 has 36 divisors (see below), whose sum is σ = 2672276880. Its totient is φ = 323021952.

The previous prime is 1013115121. The next prime is 1013115139. The reversal of 1013115132 is 2315113101.

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 (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013115139) 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 11 ways as a sum of consecutive naturals, for example, 610957 + ... + 612612.

Almost surely, 2^1013115132 is an apocalyptic number.

1013115132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1013115132 is an abundant number, since it is smaller than the sum of its proper divisors (1659161748).

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

1013115132 is a wasteful number, since it uses less digits than its factorization.

1013115132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223602 (or 1223597 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1013115132 is about 31829.4695526017. The cubic root of 1013115132 is about 1004.3527368591.

Adding to 1013115132 its reverse (2315113101), we get a palindrome (3328228233).

The spelling of 1013115132 in words is "one billion, thirteen million, one hundred fifteen thousand, one hundred thirty-two".