136180369 has 12 divisors (see below), whose sum is σ = 147992832. Its totient is φ = 125252400.

The previous prime is 136180367. The next prime is 136180379. The reversal of 136180369 is 963081631.

It is not a de Polignac number, because 136180369 - 2¹ = 136180367 is a prime.

It is a super-2 number, since 2×136180369² = 37090185801952322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (136180361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51264 + ... + 53854.

It is an arithmetic number, because the mean of its divisors is an integer number (12332736).

Almost surely, 2^136180369 is an apocalyptic number.

It is an amenable number.

136180369 is a deficient number, since it is larger than the sum of its proper divisors (11812463).

136180369 is a wasteful number, since it uses less digits than its factorization.

136180369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928 (or 2915 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 136180369 is about 11669.6344844215. The cubic root of 136180369 is about 514.4835605886.

The spelling of 136180369 in words is "one hundred thirty-six million, one hundred eighty thousand, three hundred sixty-nine".