402232134 has 16 divisors (see below), whose sum is σ = 814648320. Its totient is φ = 132380040.

The previous prime is 402232091. The next prime is 402232151. The reversal of 402232134 is 431232204.

It is a self number, because there is not a number n which added to its sum of digits gives 402232134.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 423822 + ... + 424769.

It is an arithmetic number, because the mean of its divisors is an integer number (50915520).

Almost surely, 2^402232134 is an apocalyptic number.

402232134 is an abundant number, since it is smaller than the sum of its proper divisors (412416186).

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

402232134 is a wasteful number, since it uses less digits than its factorization.

402232134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848675.

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

The square root of 402232134 is about 20055.7257161141. The cubic root of 402232134 is about 738.1743002353.

Adding to 402232134 its reverse (431232204), we get a palindrome (833464338).

The spelling of 402232134 in words is "four hundred two million, two hundred thirty-two thousand, one hundred thirty-four".