30402132 has 24 divisors (see below), whose sum is σ = 71311296. Its totient is φ = 10080768.

The previous prime is 30402131. The next prime is 30402139. The reversal of 30402132 is 23120403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30402131) 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, 4248 + ... + 8879.

It is an arithmetic number, because the mean of its divisors is an integer number (2971304).

Almost surely, 2^30402132 is an apocalyptic number.

It is an amenable number.

30402132 is an abundant number, since it is smaller than the sum of its proper divisors (40909164).

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

30402132 is a wasteful number, since it uses less digits than its factorization.

30402132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13327 (or 13325 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30402132 is about 5513.8128368671. The cubic root of 30402132 is about 312.1054459497.

Adding to 30402132 its reverse (23120403), we get a palindrome (53522535).

The spelling of 30402132 in words is "thirty million, four hundred two thousand, one hundred thirty-two".