168141434 has 8 divisors (see below), whose sum is σ = 253905300. Its totient is φ = 83506336.

The previous prime is 168141433. The next prime is 168141439. The reversal of 168141434 is 434141861.

It can be written as a sum of positive squares in 2 ways, for example, as 148913209 + 19228225 = 12203^2 + 4385^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 168141434.

It is not an unprimeable number, because it can be changed into a prime (168141433) 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, 281819 + ... + 282414.

Almost surely, 2^168141434 is an apocalyptic number.

168141434 is a deficient number, since it is larger than the sum of its proper divisors (85763866).

168141434 is a wasteful number, since it uses less digits than its factorization.

168141434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564384.

The product of its digits is 9216, while the sum is 32.

The square root of 168141434 is about 12966.9361840028. The cubic root of 168141434 is about 551.9396353685.

The spelling of 168141434 in words is "one hundred sixty-eight million, one hundred forty-one thousand, four hundred thirty-four".