402134342 has 8 divisors (see below), whose sum is σ = 603417600. Its totient is φ = 200995144.

The previous prime is 402134311. The next prime is 402134347. The reversal of 402134342 is 243431204.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402134347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28742 + ... + 40377.

It is an arithmetic number, because the mean of its divisors is an integer number (75427200).

Almost surely, 2^402134342 is an apocalyptic number.

402134342 is a deficient number, since it is larger than the sum of its proper divisors (201283258).

402134342 is a wasteful number, since it uses less digits than its factorization.

402134342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72030.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 402134342 is about 20053.2875608963. The cubic root of 402134342 is about 738.1144729316.

Adding to 402134342 its reverse (243431204), we get a palindrome (645565546).

The spelling of 402134342 in words is "four hundred two million, one hundred thirty-four thousand, three hundred forty-two".