164134738 has 8 divisors (see below), whose sum is σ = 252856332. Its totient is φ = 79849296.

The previous prime is 164134721. The next prime is 164134757. The reversal of 164134738 is 837431461.

It can be written as a sum of positive squares in 2 ways, for example, as 162639009 + 1495729 = 12753^2 + 1223^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 164134697 and 164134706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1108945 + ... + 1109092.

Almost surely, 2^164134738 is an apocalyptic number.

164134738 is a deficient number, since it is larger than the sum of its proper divisors (88721594).

164134738 is a wasteful number, since it uses less digits than its factorization.

164134738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218076.

The product of its digits is 48384, while the sum is 37.

The square root of 164134738 is about 12811.5080298925. The cubic root of 164134738 is about 547.5202280496.

The spelling of 164134738 in words is "one hundred sixty-four million, one hundred thirty-four thousand, seven hundred thirty-eight".