136910401 has 4 divisors (see below), whose sum is σ = 144963972. Its totient is φ = 128856832.

The previous prime is 136910399. The next prime is 136910407. The reversal of 136910401 is 104019631.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 44289025 + 92621376 = 6655^2 + 9624^2 .

It is a cyclic number.

It is not a de Polignac number, because 136910401 - 2¹ = 136910399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136910407) 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, 4026760 + ... + 4026793.

It is an arithmetic number, because the mean of its divisors is an integer number (36240993).

Almost surely, 2^136910401 is an apocalyptic number.

It is an amenable number.

136910401 is a deficient number, since it is larger than the sum of its proper divisors (8053571).

136910401 is an equidigital number, since it uses as much as digits as its factorization.

136910401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8053570.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 136910401 is about 11700.8718051263. The cubic root of 136910401 is about 515.4012658037.

The spelling of 136910401 in words is "one hundred thirty-six million, nine hundred ten thousand, four hundred one".