130512235 has 72 divisors (see below), whose sum is σ = 204256080. Its totient is φ = 79567488.

The previous prime is 130512233. The next prime is 130512251. The reversal of 130512235 is 532215031.

It is not a de Polignac number, because 130512235 - 2¹ = 130512233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130512233) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2462469 + ... + 2462521.

It is an arithmetic number, because the mean of its divisors is an integer number (2836890).

Almost surely, 2^130512235 is an apocalyptic number.

130512235 is a deficient number, since it is larger than the sum of its proper divisors (73743845).

130512235 is a wasteful number, since it uses less digits than its factorization.

130512235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 130512235 is about 11424.1951576468. The cubic root of 130512235 is about 507.2441833982.

Adding to 130512235 its reverse (532215031), we get a palindrome (662727266).

The spelling of 130512235 in words is "one hundred thirty million, five hundred twelve thousand, two hundred thirty-five".