130561739 has 32 divisors (see below), whose sum is σ = 170311680. Its totient is φ = 97120800.

The previous prime is 130561729. The next prime is 130561747. The reversal of 130561739 is 937165031.

It is not a de Polignac number, because 130561739 - 2¹² = 130557643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130561699 and 130561708.

It is not an unprimeable number, because it can be changed into a prime (130561729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 197792 + ... + 198450.

It is an arithmetic number, because the mean of its divisors is an integer number (5322240).

Almost surely, 2^130561739 is an apocalyptic number.

130561739 is a deficient number, since it is larger than the sum of its proper divisors (39749941).

130561739 is a wasteful number, since it uses less digits than its factorization.

130561739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 130561739 is about 11426.3615818860. The cubic root of 130561739 is about 507.3083087830.

The spelling of 130561739 in words is "one hundred thirty million, five hundred sixty-one thousand, seven hundred thirty-nine".