402344134 has 8 divisors (see below), whose sum is σ = 639017208. Its totient is φ = 189338400.

The previous prime is 402344123. The next prime is 402344141. The reversal of 402344134 is 431443204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 402344099 and 402344108.

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 3 ways as a sum of consecutive naturals, for example, 5916792 + ... + 5916859.

It is an arithmetic number, because the mean of its divisors is an integer number (79877151).

Almost surely, 2^402344134 is an apocalyptic number.

402344134 is a deficient number, since it is larger than the sum of its proper divisors (236673074).

402344134 is a wasteful number, since it uses less digits than its factorization.

402344134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11833670.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 402344134 is about 20058.5177418472. The cubic root of 402344134 is about 738.2428078145.

Adding to 402344134 its reverse (431443204), we get a palindrome (833787338).

The spelling of 402344134 in words is "four hundred two million, three hundred forty-four thousand, one hundred thirty-four".