136391353 has 6 divisors (see below), whose sum is σ = 158659386. Its totient is φ = 116906832.

The previous prime is 136391347. The next prime is 136391369. The reversal of 136391353 is 353193631.

It can be written as a sum of positive squares in only one way, i.e., 126067984 + 10323369 = 11228^2 + 3213^2 .

It is a de Polignac number, because none of the positive numbers 2^k-136391353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136391393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1391700 + ... + 1391797.

It is an arithmetic number, because the mean of its divisors is an integer number (26443231).

Almost surely, 2^136391353 is an apocalyptic number.

It is an amenable number.

136391353 is a deficient number, since it is larger than the sum of its proper divisors (22268033).

136391353 is an equidigital number, since it uses as much as digits as its factorization.

136391353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783511 (or 2783504 counting only the distinct ones).

The product of its digits is 21870, while the sum is 34.

The square root of 136391353 is about 11678.6708575933. The cubic root of 136391353 is about 514.7491196431.

The spelling of 136391353 in words is "one hundred thirty-six million, three hundred ninety-one thousand, three hundred fifty-three".