130402515 has 16 divisors (see below), whose sum is σ = 208833696. Its totient is φ = 69484800.

The previous prime is 130402513. The next prime is 130402537. The reversal of 130402515 is 515204031.

It is not a de Polignac number, because 130402515 - 2¹ = 130402513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130402491 and 130402500.

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 15 ways as a sum of consecutive naturals, for example, 16525 + ... + 23105.

It is an arithmetic number, because the mean of its divisors is an integer number (13052106).

Almost surely, 2^130402515 is an apocalyptic number.

130402515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130402515 is a deficient number, since it is larger than the sum of its proper divisors (78431181).

130402515 is a wasteful number, since it uses less digits than its factorization.

130402515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7910.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 130402515 is about 11419.3920591247. The cubic root of 130402515 is about 507.1019989377.

Adding to 130402515 its reverse (515204031), we get a palindrome (645606546).

The spelling of 130402515 in words is "one hundred thirty million, four hundred two thousand, five hundred fifteen".