136631361 has 8 divisors (see below), whose sum is σ = 183398400. Its totient is φ = 90475952.

The previous prime is 136631359. The next prime is 136631371. The reversal of 136631361 is 163136631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 136631361 - 2¹ = 136631359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (136631321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152385 + ... + 153278.

It is an arithmetic number, because the mean of its divisors is an integer number (22924800).

Almost surely, 2^136631361 is an apocalyptic number.

It is an amenable number.

136631361 is a deficient number, since it is larger than the sum of its proper divisors (46767039).

136631361 is a wasteful number, since it uses less digits than its factorization.

136631361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305815.

The product of its digits is 5832, while the sum is 30.

The square root of 136631361 is about 11688.9418255033. The cubic root of 136631361 is about 515.0508775575.

Adding to 136631361 its reverse (163136631), we get a palindrome (299767992).

The spelling of 136631361 in words is "one hundred thirty-six million, six hundred thirty-one thousand, three hundred sixty-one".