136388001 has 4 divisors (see below), whose sum is σ = 181850672. Its totient is φ = 90925332.

The previous prime is 136387987. The next prime is 136388011. The reversal of 136388001 is 100883631.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100883631 = 3 ⋅33627877.

It is not a de Polignac number, because 136388001 - 2⁵ = 136387969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 136388001.

It is not an unprimeable number, because it can be changed into a prime (136388011) 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, 22731331 + ... + 22731336.

It is an arithmetic number, because the mean of its divisors is an integer number (45462668).

Almost surely, 2^136388001 is an apocalyptic number.

It is an amenable number.

136388001 is a deficient number, since it is larger than the sum of its proper divisors (45462671).

136388001 is an equidigital number, since it uses as much as digits as its factorization.

136388001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45462670.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 136388001 is about 11678.5273472300. The cubic root of 136388001 is about 514.7449027258.

The spelling of 136388001 in words is "one hundred thirty-six million, three hundred eighty-eight thousand, one".