130657722 has 32 divisors (see below), whose sum is σ = 283493952. Its totient is φ = 39905664.

The previous prime is 130657721. The next prime is 130657759. The reversal of 130657722 is 227756031.

It is not an unprimeable number, because it can be changed into a prime (130657721) 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 15 ways as a sum of consecutive naturals, for example, 4573 + ... + 16799.

It is an arithmetic number, because the mean of its divisors is an integer number (8859186).

Almost surely, 2^130657722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130657722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141746976).

130657722 is an abundant number, since it is smaller than the sum of its proper divisors (152836230).

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

130657722 is a wasteful number, since it uses less digits than its factorization.

130657722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12382.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 130657722 is about 11430.5608786271. The cubic root of 130657722 is about 507.4325949288.

The spelling of 130657722 in words is "one hundred thirty million, six hundred fifty-seven thousand, seven hundred twenty-two".