136335401 has 4 divisors (see below), whose sum is σ = 136646400. Its totient is φ = 136024404.

The previous prime is 136335341. The next prime is 136335403. The reversal of 136335401 is 104533631.

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: 104533631 = 311 ⋅336121.

It is a cyclic number.

It is not a de Polignac number, because 136335401 - 2⁶ = 136335337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136335403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154841 + ... + 155718.

It is an arithmetic number, because the mean of its divisors is an integer number (34161600).

Almost surely, 2^136335401 is an apocalyptic number.

It is an amenable number.

136335401 is a deficient number, since it is larger than the sum of its proper divisors (310999).

136335401 is an equidigital number, since it uses as much as digits as its factorization.

136335401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310998.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 136335401 is about 11676.2751337916. The cubic root of 136335401 is about 514.6787212847.

The spelling of 136335401 in words is "one hundred thirty-six million, three hundred thirty-five thousand, four hundred one".