173142137 has 24 divisors (see below), whose sum is σ = 213397056. Its totient is φ = 139775328.

The previous prime is 173142131. The next prime is 173142143. The reversal of 173142137 is 731241371.

It is a happy number.

173142137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (173142131) and next prime (173142143).

It is not a de Polignac number, because 173142137 - 2¹² = 173138041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (173142131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74363 + ... + 76655.

It is an arithmetic number, because the mean of its divisors is an integer number (8891544).

Almost surely, 2^173142137 is an apocalyptic number.

It is an amenable number.

173142137 is a deficient number, since it is larger than the sum of its proper divisors (40254919).

173142137 is a wasteful number, since it uses less digits than its factorization.

173142137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2397 (or 2390 counting only the distinct ones).

The product of its digits is 3528, while the sum is 29.

The square root of 173142137 is about 13158.3485665945. The cubic root of 173142137 is about 557.3580239994.

The spelling of 173142137 in words is "one hundred seventy-three million, one hundred forty-two thousand, one hundred thirty-seven".