9136520173 has 16 divisors (see below), whose sum is σ = 10122195456. Its totient is φ = 8177649840.

The previous prime is 9136520153. The next prime is 9136520201. The reversal of 9136520173 is 3710256319.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9136520173 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 (9136520153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168040 + ... + 215662.

It is an arithmetic number, because the mean of its divisors is an integer number (632637216).

Almost surely, 2^9136520173 is an apocalyptic number.

It is an amenable number.

9136520173 is a deficient number, since it is larger than the sum of its proper divisors (985675283).

9136520173 is a wasteful number, since it uses less digits than its factorization.

9136520173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47904.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 9136520173 is about 95585.1461943748. The cubic root of 9136520173 is about 2090.5486203508.

The spelling of 9136520173 in words is "nine billion, one hundred thirty-six million, five hundred twenty thousand, one hundred seventy-three".