130747860 has 36 divisors (see below), whose sum is σ = 396602388. Its totient is φ = 34866048.

The previous prime is 130747823. The next prime is 130747861. The reversal of 130747860 is 68747031.

It can be written as a sum of positive squares in 2 ways, for example, as 14884164 + 115863696 = 3858^2 + 10764^2 .

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130747861) 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, 363009 + ... + 363368.

It is an arithmetic number, because the mean of its divisors is an integer number (11016733).

Almost surely, 2^130747860 is an apocalyptic number.

130747860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130747860 is an abundant number, since it is smaller than the sum of its proper divisors (265854528).

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

130747860 is a wasteful number, since it uses less digits than its factorization.

130747860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726392 (or 726387 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 130747860 is about 11434.5030499799. The cubic root of 130747860 is about 507.5492571117.

The spelling of 130747860 in words is "one hundred thirty million, seven hundred forty-seven thousand, eight hundred sixty".