130402132 has 36 divisors (see below), whose sum is σ = 266179284. Its totient is φ = 55735680.

The previous prime is 130402127. The next prime is 130402133. The reversal of 130402132 is 231204031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 61246276 + 69155856 = 7826^2 + 8316^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130402133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101478 + ... + 102754.

It is an arithmetic number, because the mean of its divisors is an integer number (7393869).

Almost surely, 2^130402132 is an apocalyptic number.

It is an amenable number.

130402132 is an abundant number, since it is smaller than the sum of its proper divisors (135777152).

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

130402132 is a wasteful number, since it uses less digits than its factorization.

130402132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1816 (or 1807 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 130402132 is about 11419.3752893930. The cubic root of 130402132 is about 507.1015024742.

Adding to 130402132 its reverse (231204031), we get a palindrome (361606163).

The spelling of 130402132 in words is "one hundred thirty million, four hundred two thousand, one hundred thirty-two".