130434136 has 32 divisors (see below), whose sum is σ = 286007040. Its totient is φ = 54599328.

The previous prime is 130434133. The next prime is 130434163. The reversal of 130434136 is 631434031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 130434136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130434131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24676 + ... + 29491.

It is an arithmetic number, because the mean of its divisors is an integer number (8937720).

Almost surely, 2^130434136 is an apocalyptic number.

It is an amenable number.

130434136 is an abundant number, since it is smaller than the sum of its proper divisors (155572904).

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

130434136 is a wasteful number, since it uses less digits than its factorization.

130434136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54223 (or 54219 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 130434136 is about 11420.7765059999. The cubic root of 130434136 is about 507.1429842831.

Adding to 130434136 its reverse (631434031), we get a palindrome (761868167).

The spelling of 130434136 in words is "one hundred thirty million, four hundred thirty-four thousand, one hundred thirty-six".