130787052 has 96 divisors (see below), whose sum is σ = 355622400. Its totient is φ = 36971520.

The previous prime is 130787023. The next prime is 130787053. The reversal of 130787052 is 250787031.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (130787053) 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 31 ways as a sum of consecutive naturals, for example, 374574 + ... + 374922.

It is an arithmetic number, because the mean of its divisors is an integer number (3704400).

Almost surely, 2^130787052 is an apocalyptic number.

130787052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130787052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177811200).

130787052 is an abundant number, since it is smaller than the sum of its proper divisors (224835348).

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

130787052 is a wasteful number, since it uses less digits than its factorization.

130787052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 130787052 is about 11436.2166821025. The cubic root of 130787052 is about 507.5999651010.

The spelling of 130787052 in words is "one hundred thirty million, seven hundred eighty-seven thousand, fifty-two".