136123004 has 12 divisors (see below), whose sum is σ = 241231200. Its totient is φ = 67199808.

The previous prime is 136123003. The next prime is 136123007. The reversal of 136123004 is 400321631.

136123004 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136123003) 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, 215069 + ... + 215700.

It is an arithmetic number, because the mean of its divisors is an integer number (20102600).

Almost surely, 2^136123004 is an apocalyptic number.

It is an amenable number.

136123004 is a deficient number, since it is larger than the sum of its proper divisors (105108196).

136123004 is a wasteful number, since it uses less digits than its factorization.

136123004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430852 (or 430850 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 136123004 is about 11667.1763507714. The cubic root of 136123004 is about 514.4113096106.

Adding to 136123004 its reverse (400321631), we get a palindrome (536444635).

The spelling of 136123004 in words is "one hundred thirty-six million, one hundred twenty-three thousand, four".