135173101 has 4 divisors (see below), whose sum is σ = 154483552. Its totient is φ = 115862652.

The previous prime is 135173057. The next prime is 135173107. The reversal of 135173101 is 101371531.

135173101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101371531 = 191 ⋅530741.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-135173101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135173107) 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, 9655215 + ... + 9655228.

It is an arithmetic number, because the mean of its divisors is an integer number (38620888).

Almost surely, 2^135173101 is an apocalyptic number.

It is an amenable number.

135173101 is a deficient number, since it is larger than the sum of its proper divisors (19310451).

135173101 is an equidigital number, since it uses as much as digits as its factorization.

135173101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19310450.

The product of its (nonzero) digits is 315, while the sum is 22.

The square root of 135173101 is about 11626.3967332962. The cubic root of 135173101 is about 513.2119485391.

The spelling of 135173101 in words is "one hundred thirty-five million, one hundred seventy-three thousand, one hundred one".