136397001 has 32 divisors (see below), whose sum is σ = 208293120. Its totient is φ = 78649344.

The previous prime is 136396973. The next prime is 136397003. The reversal of 136397001 is 100793631.

136397001 = T₁₁₈ + T₁₁₉ + ... + T₉₃₅.

It is not a de Polignac number, because 136397001 - 2⁶ = 136396937 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 136397001.

It is not an unprimeable number, because it can be changed into a prime (136397003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 270916 + ... + 271418.

It is an arithmetic number, because the mean of its divisors is an integer number (6509160).

Almost surely, 2^136397001 is an apocalyptic number.

It is an amenable number.

136397001 is a deficient number, since it is larger than the sum of its proper divisors (71896119).

136397001 is a wasteful number, since it uses less digits than its factorization.

136397001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 136397001 is about 11678.9126634289. The cubic root of 136397001 is about 514.7562248416.

The spelling of 136397001 in words is "one hundred thirty-six million, three hundred ninety-seven thousand, one".