130455402 has 64 divisors (see below), whose sum is σ = 339462144. Its totient is φ = 32408640.

The previous prime is 130455389. The next prime is 130455407. The reversal of 130455402 is 204554031.

It is a super-2 number, since 2×130455402² = 34037223821963208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130455407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4488 + ... + 16764.

It is an arithmetic number, because the mean of its divisors is an integer number (5304096).

Almost surely, 2^130455402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130455402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169731072).

130455402 is an abundant number, since it is smaller than the sum of its proper divisors (209006742).

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

130455402 is a wasteful number, since it uses less digits than its factorization.

130455402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12323.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 130455402 is about 11421.7074905637. The cubic root of 130455402 is about 507.1705443400.

It can be divided in two parts, 1 and 30455402, that added together give a palindrome (30455403).

The spelling of 130455402 in words is "one hundred thirty million, four hundred fifty-five thousand, four hundred two".