172133086 has 4 divisors (see below), whose sum is σ = 258199632. Its totient is φ = 86066542.

The previous prime is 172132997. The next prime is 172133099. The reversal of 172133086 is 680331271.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 43033270 + ... + 43033273.

It is an arithmetic number, because the mean of its divisors is an integer number (64549908).

Almost surely, 2^172133086 is an apocalyptic number.

172133086 is a deficient number, since it is larger than the sum of its proper divisors (86066546).

172133086 is an equidigital number, since it uses as much as digits as its factorization.

172133086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86066545.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 172133086 is about 13119.9499236849. The cubic root of 172133086 is about 556.2731758891.

The spelling of 172133086 in words is "one hundred seventy-two million, one hundred thirty-three thousand, eighty-six".