135001161 has 15 divisors (see below), whose sum is σ = 201824733. Its totient is φ = 89931060.

The previous prime is 135001121. The next prime is 135001183. The reversal of 135001161 is 161100531.

The square root of 135001161 is 11619.

It is a perfect power (a square), and thus also a powerful number.

135001161 is a `hidden beast` number, since 1 + 3 + 500 + 1 + 161 = 666.

It is not a de Polignac number, because 135001161 - 2²⁵ = 101446729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (135001121) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 103926 + ... + 105216.

Almost surely, 2^135001161 is an apocalyptic number.

135001161 is the 11619-th square number.

135001161 is the 5810-th centered octagonal number.

It is an amenable number.

135001161 is a deficient number, since it is larger than the sum of its proper divisors (66823572).

135001161 is an frugal number, since it uses more digits than its factorization.

135001161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The cubic root of 135001161 is about 512.9942545781.

Adding to 135001161 its reverse (161100531), we get a palindrome (296101692).

The spelling of 135001161 in words is "one hundred thirty-five million, one thousand, one hundred sixty-one".