136837853 has 4 divisors (see below), whose sum is σ = 136936380. Its totient is φ = 136739328.

The previous prime is 136837849. The next prime is 136837859. The reversal of 136837853 is 358738631.

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 50310649 + 86527204 = 7093^2 + 9302^2 .

It is a cyclic number.

It is not a de Polignac number, because 136837853 - 2² = 136837849 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136837859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47150 + ... + 49967.

It is an arithmetic number, because the mean of its divisors is an integer number (34234095).

Almost surely, 2^136837853 is an apocalyptic number.

It is an amenable number.

136837853 is a deficient number, since it is larger than the sum of its proper divisors (98527).

136837853 is an equidigital number, since it uses as much as digits as its factorization.

136837853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98526.

The product of its digits is 362880, while the sum is 44.

The square root of 136837853 is about 11697.7712834540. The cubic root of 136837853 is about 515.3102137064.

The spelling of 136837853 in words is "one hundred thirty-six million, eight hundred thirty-seven thousand, eight hundred fifty-three".