36130181 has 4 divisors (see below), whose sum is σ = 36154272. Its totient is φ = 36106092.

The previous prime is 36130177. The next prime is 36130183. The reversal of 36130181 is 18103163.

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.

It is a cyclic number.

It is not a de Polignac number, because 36130181 - 2² = 36130177 is a prime.

It is a super-2 number, since 2×36130181² = 2610779958185522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36130183) 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, 9635 + ... + 12848.

It is an arithmetic number, because the mean of its divisors is an integer number (9038568).

Almost surely, 2^36130181 is an apocalyptic number.

It is an amenable number.

36130181 is a deficient number, since it is larger than the sum of its proper divisors (24091).

36130181 is a wasteful number, since it uses less digits than its factorization.

36130181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24090.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 36130181 is about 6010.8386270137. The cubic root of 36130181 is about 330.5902536851.

The spelling of 36130181 in words is "thirty-six million, one hundred thirty thousand, one hundred eighty-one".