136830079 has 4 divisors (see below), whose sum is σ = 140167440. Its totient is φ = 133492720.

The previous prime is 136830061. The next prime is 136830103. The reversal of 136830079 is 970038631.

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

It is not a de Polignac number, because 136830079 - 2⁷ = 136829951 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 (136830479) 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, 1668619 + ... + 1668700.

It is an arithmetic number, because the mean of its divisors is an integer number (35041860).

Almost surely, 2^136830079 is an apocalyptic number.

136830079 is a deficient number, since it is larger than the sum of its proper divisors (3337361).

136830079 is an equidigital number, since it uses as much as digits as its factorization.

136830079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3337360.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 136830079 is about 11697.4389932156. The cubic root of 136830079 is about 515.3004549606.

The spelling of 136830079 in words is "one hundred thirty-six million, eight hundred thirty thousand, seventy-nine".