130434402 has 32 divisors (see below), whose sum is σ = 308419200. Its totient is φ = 35981568.

The previous prime is 130434401. The next prime is 130434413. The reversal of 130434402 is 204434031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (130434401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52327 + ... + 54762.

It is an arithmetic number, because the mean of its divisors is an integer number (9638100).

Almost surely, 2^130434402 is an apocalyptic number.

130434402 is an abundant number, since it is smaller than the sum of its proper divisors (177984798).

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

130434402 is a wasteful number, since it uses less digits than its factorization.

130434402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107130.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 130434402 is about 11420.7881514368. The cubic root of 130434402 is about 507.1433290291.

Adding to 130434402 its reverse (204434031), we get a palindrome (334868433).

The spelling of 130434402 in words is "one hundred thirty million, four hundred thirty-four thousand, four hundred two".