136872601 has 8 divisors (see below), whose sum is σ = 140411520. Its totient is φ = 133359888.

The previous prime is 136872557. The next prime is 136872611. The reversal of 136872601 is 106278631.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136872601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136872611) 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, 4255 + ... + 17083.

It is an arithmetic number, because the mean of its divisors is an integer number (17551440).

Almost surely, 2^136872601 is an apocalyptic number.

It is an amenable number.

136872601 is a deficient number, since it is larger than the sum of its proper divisors (3538919).

136872601 is a wasteful number, since it uses less digits than its factorization.

136872601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13103.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 136872601 is about 11699.2564293634. The cubic root of 136872601 is about 515.3538285481.

The spelling of 136872601 in words is "one hundred thirty-six million, eight hundred seventy-two thousand, six hundred one".