136862849 has 4 divisors (see below), whose sum is σ = 136922436. Its totient is φ = 136803264.

The previous prime is 136862837. The next prime is 136862867. The reversal of 136862849 is 948268631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59985025 + 76877824 = 7745^2 + 8768^2 .

It is a cyclic number.

It is not a de Polignac number, because 136862849 - 2²⁴ = 120085633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136862899) 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, 26204 + ... + 30989.

It is an arithmetic number, because the mean of its divisors is an integer number (34230609).

Almost surely, 2^136862849 is an apocalyptic number.

It is an amenable number.

136862849 is a deficient number, since it is larger than the sum of its proper divisors (59587).

136862849 is an equidigital number, since it uses as much as digits as its factorization.

136862849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59586.

The product of its digits is 497664, while the sum is 47.

The square root of 136862849 is about 11698.8396433151. The cubic root of 136862849 is about 515.3415888208.

The spelling of 136862849 in words is "one hundred thirty-six million, eight hundred sixty-two thousand, eight hundred forty-nine".