137173061 has 4 divisors (see below), whose sum is σ = 137772300. Its totient is φ = 136573824.

The previous prime is 137173039. The next prime is 137173067. The reversal of 137173061 is 160371731.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160371731 = 13 ⋅12336287.

It can be written as a sum of positive squares in 2 ways, for example, as 131560900 + 5612161 = 11470^2 + 2369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-137173061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137173067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299276 + ... + 299733.

It is an arithmetic number, because the mean of its divisors is an integer number (34443075).

Almost surely, 2^137173061 is an apocalyptic number.

It is an amenable number.

137173061 is a deficient number, since it is larger than the sum of its proper divisors (599239).

137173061 is an equidigital number, since it uses as much as digits as its factorization.

137173061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599238.

The product of its (nonzero) digits is 2646, while the sum is 29.

The square root of 137173061 is about 11712.0903770420. The cubic root of 137173061 is about 515.7306510951.

The spelling of 137173061 in words is "one hundred thirty-seven million, one hundred seventy-three thousand, sixty-one".