172136342 has 8 divisors (see below), whose sum is σ = 295090896. Its totient is φ = 73772712.

The previous prime is 172136303. The next prime is 172136351. The reversal of 172136342 is 243631271.

It is a happy number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6147713 + ... + 6147740.

It is an arithmetic number, because the mean of its divisors is an integer number (36886362).

Almost surely, 2^172136342 is an apocalyptic number.

172136342 is a deficient number, since it is larger than the sum of its proper divisors (122954554).

172136342 is a wasteful number, since it uses less digits than its factorization.

172136342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12295462.

The product of its digits is 6048, while the sum is 29.

The square root of 172136342 is about 13120.0740089376. The cubic root of 172136342 is about 556.2766832800.

The spelling of 172136342 in words is "one hundred seventy-two million, one hundred thirty-six thousand, three hundred forty-two".