136233638 has 8 divisors (see below), whose sum is σ = 208206288. Its totient is φ = 66831544.

The previous prime is 136233637. The next prime is 136233649. The reversal of 136233638 is 836332631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 136233598 and 136233607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136233637) 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, 642506 + ... + 642717.

It is an arithmetic number, because the mean of its divisors is an integer number (26025786).

Almost surely, 2^136233638 is an apocalyptic number.

136233638 is a deficient number, since it is larger than the sum of its proper divisors (71972650).

136233638 is a wasteful number, since it uses less digits than its factorization.

136233638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285278.

The product of its digits is 46656, while the sum is 35.

The square root of 136233638 is about 11671.9166378106. The cubic root of 136233638 is about 514.5506345052.

The spelling of 136233638 in words is "one hundred thirty-six million, two hundred thirty-three thousand, six hundred thirty-eight".