405342134 has 16 divisors (see below), whose sum is σ = 616682160. Its totient is φ = 199795200.

The previous prime is 405342109. The next prime is 405342149. The reversal of 405342134 is 431243504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59609 + ... + 66059.

It is an arithmetic number, because the mean of its divisors is an integer number (38542635).

Almost surely, 2^405342134 is an apocalyptic number.

405342134 is a deficient number, since it is larger than the sum of its proper divisors (211340026).

405342134 is a wasteful number, since it uses less digits than its factorization.

405342134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6895.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 405342134 is about 20133.1103905979. The cubic root of 405342134 is about 740.0719031666.

Adding to 405342134 its reverse (431243504), we get a palindrome (836585638).

The spelling of 405342134 in words is "four hundred five million, three hundred forty-two thousand, one hundred thirty-four".