136151849 has 2 divisors, whose sum is σ = 136151850. Its totient is φ = 136151848.

The previous prime is 136151843. The next prime is 136151863. The reversal of 136151849 is 948151631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135955600 + 196249 = 11660^2 + 443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136151849 is a prime.

It is a super-2 number, since 2×136151849² = 37074651972237602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (136151843) 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 as a sum of consecutive naturals, namely, 68075924 + 68075925.

It is an arithmetic number, because the mean of its divisors is an integer number (68075925).

Almost surely, 2^136151849 is an apocalyptic number.

It is an amenable number.

136151849 is a deficient number, since it is larger than the sum of its proper divisors (1).

136151849 is an equidigital number, since it uses as much as digits as its factorization.

136151849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 38.

The square root of 136151849 is about 11668.4124455729. The cubic root of 136151849 is about 514.4476423044.

The spelling of 136151849 in words is "one hundred thirty-six million, one hundred fifty-one thousand, eight hundred forty-nine".