137428171 has 2 divisors, whose sum is σ = 137428172. Its totient is φ = 137428170.

The previous prime is 137428139. The next prime is 137428199. The reversal of 137428171 is 171824731.

137428171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 137428171 - 2⁵ = 137428139 is a prime.

It is not a weakly prime, because it can be changed into another prime (137423171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68714085 + 68714086.

It is an arithmetic number, because the mean of its divisors is an integer number (68714086).

Almost surely, 2^137428171 is an apocalyptic number.

137428171 is a deficient number, since it is larger than the sum of its proper divisors (1).

137428171 is an equidigital number, since it uses as much as digits as its factorization.

137428171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 34.

The square root of 137428171 is about 11722.9762006071. The cubic root of 137428171 is about 516.0501661360.

The spelling of 137428171 in words is "one hundred thirty-seven million, four hundred twenty-eight thousand, one hundred seventy-one".