136901 has 4 divisors (see below), whose sum is σ = 144972. Its totient is φ = 128832.

The previous prime is 136897. The next prime is 136943. The reversal of 136901 is 109631.

It is a Cunningham number, because it is equal to 370²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 109631 = 37 ⋅2963.

It can be written as a sum of positive squares in 2 ways, for example, as 106276 + 30625 = 326^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 136901 - 2² = 136897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136951) 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, 4010 + ... + 4043.

It is an arithmetic number, because the mean of its divisors is an integer number (36243).

2¹³⁶⁹⁰¹ is an apocalyptic number.

It is an amenable number.

136901 is a deficient number, since it is larger than the sum of its proper divisors (8071).

136901 is an equidigital number, since it uses as much as digits as its factorization.

136901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8070.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 136901 is about 370.0013513489. The cubic root of 136901 is about 51.5389468798.

The spelling of 136901 in words is "one hundred thirty-six thousand, nine hundred one".