6502135530 has 128 divisors (see below), whose sum is σ = 17654630400. Its totient is φ = 1518137600.

The previous prime is 6502135529. The next prime is 6502135547. The reversal of 6502135530 is 355312056.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6306115 + ... + 6307145.

It is an arithmetic number, because the mean of its divisors is an integer number (137926800).

Almost surely, 2^6502135530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6502135530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8827315200).

6502135530 is an abundant number, since it is smaller than the sum of its proper divisors (11152494870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6502135530 is a wasteful number, since it uses less digits than its factorization.

6502135530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 6502135530 is about 80635.8203901963. The cubic root of 6502135530 is about 1866.4599378133.

Adding to 6502135530 its reverse (355312056), we get a palindrome (6857447586).

The spelling of 6502135530 in words is "six billion, five hundred two million, one hundred thirty-five thousand, five hundred thirty".