136097149 has 2 divisors, whose sum is σ = 136097150. Its totient is φ = 136097148.

The previous prime is 136097147. The next prime is 136097173. The reversal of 136097149 is 941790631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90440100 + 45657049 = 9510^2 + 6757^2 .

It is a cyclic number.

It is not a de Polignac number, because 136097149 - 2¹ = 136097147 is a prime.

Together with 136097147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136097147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68048574 + 68048575.

It is an arithmetic number, because the mean of its divisors is an integer number (68048575).

Almost surely, 2^136097149 is an apocalyptic number.

It is an amenable number.

136097149 is a deficient number, since it is larger than the sum of its proper divisors (1).

136097149 is an equidigital number, since it uses as much as digits as its factorization.

136097149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 136097149 is about 11666.0682751302. The cubic root of 136097149 is about 514.3787387098.

The spelling of 136097149 in words is "one hundred thirty-six million, ninety-seven thousand, one hundred forty-nine".