136210873 has 4 divisors (see below), whose sum is σ = 138129408. Its totient is φ = 134292340.

The previous prime is 136210871. The next prime is 136210889. The reversal of 136210873 is 378012631.

136210873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 378012631 = 1109 ⋅340859.

It is a cyclic number.

It is not a de Polignac number, because 136210873 - 2¹ = 136210871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136210871) 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, 959161 + ... + 959302.

It is an arithmetic number, because the mean of its divisors is an integer number (34532352).

Almost surely, 2^136210873 is an apocalyptic number.

It is an amenable number.

136210873 is a deficient number, since it is larger than the sum of its proper divisors (1918535).

136210873 is an equidigital number, since it uses as much as digits as its factorization.

136210873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918534.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 136210873 is about 11670.9413930497. The cubic root of 136210873 is about 514.5219719861.

The spelling of 136210873 in words is "one hundred thirty-six million, two hundred ten thousand, eight hundred seventy-three".