130202757 has 12 divisors (see below), whose sum is σ = 192658284. Its totient is φ = 84684480.

The previous prime is 130202749. The next prime is 130202767. The reversal of 130202757 is 757202031.

It can be written as a sum of positive squares in 2 ways, for example, as 49364676 + 80838081 = 7026^2 + 8991^2 .

It is not a de Polignac number, because 130202757 - 2³ = 130202749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 130202757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130202717) 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, 176058 + ... + 176795.

It is an arithmetic number, because the mean of its divisors is an integer number (16054857).

Almost surely, 2^130202757 is an apocalyptic number.

It is an amenable number.

130202757 is a deficient number, since it is larger than the sum of its proper divisors (62455527).

130202757 is a wasteful number, since it uses less digits than its factorization.

130202757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352900 (or 352897 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 130202757 is about 11410.6422693904. The cubic root of 130202757 is about 506.8429306989.

Adding to 130202757 its reverse (757202031), we get a palindrome (887404788).

The spelling of 130202757 in words is "one hundred thirty million, two hundred two thousand, seven hundred fifty-seven".