130661077 has 4 divisors (see below), whose sum is σ = 130763116. Its totient is φ = 130559040.

The previous prime is 130661053. The next prime is 130661123. The reversal of 130661077 is 770166031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106316721 + 24344356 = 10311^2 + 4934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130661077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130661777) 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 3 ways as a sum of consecutive naturals, for example, 49074 + ... + 51667.

It is an arithmetic number, because the mean of its divisors is an integer number (32690779).

Almost surely, 2^130661077 is an apocalyptic number.

It is an amenable number.

130661077 is a deficient number, since it is larger than the sum of its proper divisors (102039).

130661077 is a wasteful number, since it uses less digits than its factorization.

130661077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102038.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 130661077 is about 11430.7076333882. The cubic root of 130661077 is about 507.4369381389.

The spelling of 130661077 in words is "one hundred thirty million, six hundred sixty-one thousand, seventy-seven".