136320837 has 8 divisors (see below), whose sum is σ = 182965440. Its totient is φ = 90278400.

The previous prime is 136320803. The next prime is 136320853. The reversal of 136320837 is 738023631.

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

It is not a de Polignac number, because 136320837 - 2¹¹ = 136318789 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 136320798 and 136320807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136320337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150012 + ... + 150917.

It is an arithmetic number, because the mean of its divisors is an integer number (22870680).

Almost surely, 2^136320837 is an apocalyptic number.

It is an amenable number.

136320837 is a deficient number, since it is larger than the sum of its proper divisors (46644603).

136320837 is a wasteful number, since it uses less digits than its factorization.

136320837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301083.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 136320837 is about 11675.6514593405. The cubic root of 136320837 is about 514.6603938174.

The spelling of 136320837 in words is "one hundred thirty-six million, three hundred twenty thousand, eight hundred thirty-seven".