402143134 has 16 divisors (see below), whose sum is σ = 611670528. Its totient is φ = 198262552.

The previous prime is 402143123. The next prime is 402143173. The reversal of 402143134 is 431341204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95379 + ... + 99505.

It is an arithmetic number, because the mean of its divisors is an integer number (38229408).

Almost surely, 2^402143134 is an apocalyptic number.

402143134 is a deficient number, since it is larger than the sum of its proper divisors (209527394).

402143134 is a wasteful number, since it uses less digits than its factorization.

402143134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4799.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 402143134 is about 20053.5067756241. The cubic root of 402143134 is about 738.1198521084.

Adding to 402143134 its reverse (431341204), we get a palindrome (833484338).

The spelling of 402143134 in words is "four hundred two million, one hundred forty-three thousand, one hundred thirty-four".