136271437 has 2 divisors, whose sum is σ = 136271438. Its totient is φ = 136271436.

The previous prime is 136271431. The next prime is 136271449. The reversal of 136271437 is 734172631.

136271437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76842756 + 59428681 = 8766^2 + 7709^2 .

It is a cyclic number.

It is not a de Polignac number, because 136271437 - 2¹⁹ = 135747149 is a prime.

It is equal to p_7713187 and since 136271437 and 7713187 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136271431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68135718 + 68135719.

It is an arithmetic number, because the mean of its divisors is an integer number (68135719).

Almost surely, 2^136271437 is an apocalyptic number.

It is an amenable number.

136271437 is a deficient number, since it is larger than the sum of its proper divisors (1).

136271437 is an equidigital number, since it uses as much as digits as its factorization.

136271437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 34.

The square root of 136271437 is about 11673.5357540036. The cubic root of 136271437 is about 514.5982186926.

The spelling of 136271437 in words is "one hundred thirty-six million, two hundred seventy-one thousand, four hundred thirty-seven".