172134650 has 12 divisors (see below), whose sum is σ = 320170542. Its totient is φ = 68853840.

The previous prime is 172134649. The next prime is 172134671. The reversal of 172134650 is 56431271.

It can be written as a sum of positive squares in 3 ways, for example, as 160554241 + 11580409 = 12671^2 + 3403^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1721297 + ... + 1721396.

Almost surely, 2^172134650 is an apocalyptic number.

172134650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

172134650 is a deficient number, since it is larger than the sum of its proper divisors (148035892).

172134650 is a wasteful number, since it uses less digits than its factorization.

172134650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442705 (or 3442700 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 172134650 is about 13120.0095274356. The cubic root of 172134650 is about 556.2748606488.

The spelling of 172134650 in words is "one hundred seventy-two million, one hundred thirty-four thousand, six hundred fifty".