136813801 has 2 divisors, whose sum is σ = 136813802. Its totient is φ = 136813800.

The previous prime is 136813783. The next prime is 136813811. The reversal of 136813801 is 108318631.

136813801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136539225 + 274576 = 11685^2 + 524^2 .

It is a cyclic number.

It is not a de Polignac number, because 136813801 - 2⁵ = 136813769 is a prime.

It is a super-2 number, since 2×136813801² = 37436032288135202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136813811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68406900 + 68406901.

It is an arithmetic number, because the mean of its divisors is an integer number (68406901).

Almost surely, 2^136813801 is an apocalyptic number.

It is an amenable number.

136813801 is a deficient number, since it is larger than the sum of its proper divisors (1).

136813801 is an equidigital number, since it uses as much as digits as its factorization.

136813801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 136813801 is about 11696.7431791931. The cubic root of 136813801 is about 515.2800198986.

The spelling of 136813801 in words is "one hundred thirty-six million, eight hundred thirteen thousand, eight hundred one".