136838073 has 4 divisors (see below), whose sum is σ = 182450768. Its totient is φ = 91225380.

The previous prime is 136838069. The next prime is 136838077. The reversal of 136838073 is 370838631.

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.

It is an interprime number because it is at equal distance from previous prime (136838069) and next prime (136838077).

It is not a de Polignac number, because 136838073 - 2² = 136838069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136838077) 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, 22806343 + ... + 22806348.

It is an arithmetic number, because the mean of its divisors is an integer number (45612692).

Almost surely, 2^136838073 is an apocalyptic number.

It is an amenable number.

136838073 is a deficient number, since it is larger than the sum of its proper divisors (45612695).

136838073 is an equidigital number, since it uses as much as digits as its factorization.

136838073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45612694.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 136838073 is about 11697.7806869508. The cubic root of 136838073 is about 515.3104898683.

The spelling of 136838073 in words is "one hundred thirty-six million, eight hundred thirty-eight thousand, seventy-three".