136937149 has 2 divisors, whose sum is σ = 136937150. Its totient is φ = 136937148.

The previous prime is 136937093. The next prime is 136937183. The reversal of 136937149 is 941739631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113103225 + 23833924 = 10635^2 + 4882^2 .

It is a cyclic number.

It is not a de Polignac number, because 136937149 - 2¹⁷ = 136806077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136947149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68468574 + 68468575.

It is an arithmetic number, because the mean of its divisors is an integer number (68468575).

Almost surely, 2^136937149 is an apocalyptic number.

It is an amenable number.

136937149 is a deficient number, since it is larger than the sum of its proper divisors (1).

136937149 is an equidigital number, since it uses as much as digits as its factorization.

136937149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 43.

The square root of 136937149 is about 11702.0147410606. The cubic root of 136937149 is about 515.4348280344.

The spelling of 136937149 in words is "one hundred thirty-six million, nine hundred thirty-seven thousand, one hundred forty-nine".