161013134 has 8 divisors (see below), whose sum is σ = 242094648. Its totient is φ = 80314920.

The previous prime is 161013121. The next prime is 161013157. The reversal of 161013134 is 431310161.

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

It is a congruent number.

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, 94772 + ... + 96455.

It is an arithmetic number, because the mean of its divisors is an integer number (30261831).

Almost surely, 2^161013134 is an apocalyptic number.

161013134 is a deficient number, since it is larger than the sum of its proper divisors (81081514).

161013134 is a wasteful number, since it uses less digits than its factorization.

161013134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191650.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 161013134 is about 12689.0950819986. The cubic root of 161013134 is about 544.0269752159.

Adding to 161013134 its reverse (431310161), we get a palindrome (592323295).

The spelling of 161013134 in words is "one hundred sixty-one million, thirteen thousand, one hundred thirty-four".