130402516 has 12 divisors (see below), whose sum is σ = 228284532. Its totient is φ = 65178368.

The previous prime is 130402513. The next prime is 130402537. The reversal of 130402516 is 615204031.

It can be written as a sum of positive squares in 2 ways, for example, as 111218116 + 19184400 = 10546^2 + 4380^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130402513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18276 + ... + 24388.

It is an arithmetic number, because the mean of its divisors is an integer number (19023711).

Almost surely, 2^130402516 is an apocalyptic number.

It is an amenable number.

130402516 is a deficient number, since it is larger than the sum of its proper divisors (97882016).

130402516 is a wasteful number, since it uses less digits than its factorization.

130402516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11450 (or 11448 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 130402516 is about 11419.3921029099. The cubic root of 130402516 is about 507.1020002339.

Adding to 130402516 its reverse (615204031), we get a palindrome (745606547).

The spelling of 130402516 in words is "one hundred thirty million, four hundred two thousand, five hundred sixteen".