172141137 has 24 divisors (see below), whose sum is σ = 285445056. Its totient is φ = 97924896.

The previous prime is 172141117. The next prime is 172141141. The reversal of 172141137 is 731141271.

It is not a de Polignac number, because 172141137 - 2¹¹ = 172139089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 172141137.

It is not an unprimeable number, because it can be changed into a prime (172141117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8283 + ... + 20319.

It is an arithmetic number, because the mean of its divisors is an integer number (11893544).

Almost surely, 2^172141137 is an apocalyptic number.

It is an amenable number.

172141137 is a deficient number, since it is larger than the sum of its proper divisors (113303919).

172141137 is a wasteful number, since it uses less digits than its factorization.

172141137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12277 (or 12274 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 172141137 is about 13120.2567429148. The cubic root of 172141137 is about 556.2818484142.

The spelling of 172141137 in words is "one hundred seventy-two million, one hundred forty-one thousand, one hundred thirty-seven".