130002765 has 16 divisors (see below), whose sum is σ = 208778496. Its totient is φ = 69076800.

The previous prime is 130002721. The next prime is 130002779. The reversal of 130002765 is 567200031.

It is not a de Polignac number, because 130002765 - 2⁶ = 130002701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11926 + ... + 20055.

It is an arithmetic number, because the mean of its divisors is an integer number (13048656).

Almost surely, 2^130002765 is an apocalyptic number.

130002765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

130002765 is a deficient number, since it is larger than the sum of its proper divisors (78775731).

130002765 is a wasteful number, since it uses less digits than its factorization.

130002765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32260.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 130002765 is about 11401.8755036178. The cubic root of 130002765 is about 506.5832934048.

Adding to 130002765 its reverse (567200031), we get a palindrome (697202796).

The spelling of 130002765 in words is "one hundred thirty million, two thousand, seven hundred sixty-five".