429030138 has 32 divisors (see below), whose sum is σ = 872087040. Its totient is φ = 140681520.

The previous prime is 429030131. The next prime is 429030149. The reversal of 429030138 is 831030924.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (429030131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262881 + ... + 264507.

It is an arithmetic number, because the mean of its divisors is an integer number (27252720).

Almost surely, 2^429030138 is an apocalyptic number.

429030138 is an abundant number, since it is smaller than the sum of its proper divisors (443056902).

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

429030138 is a wasteful number, since it uses less digits than its factorization.

429030138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 429030138 is about 20713.0427026065. The cubic root of 429030138 is about 754.2163340623.

The spelling of 429030138 in words is "four hundred twenty-nine million, thirty thousand, one hundred thirty-eight".