135249701 has 2 divisors, whose sum is σ = 135249702. Its totient is φ = 135249700.

The previous prime is 135249677. The next prime is 135249727. The reversal of 135249701 is 107942531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110796676 + 24453025 = 10526^2 + 4945^2 .

It is an emirp because it is prime and its reverse (107942531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 135249701 - 2¹⁰ = 135248677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (135249761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67624850 + 67624851.

It is an arithmetic number, because the mean of its divisors is an integer number (67624851).

Almost surely, 2^135249701 is an apocalyptic number.

It is an amenable number.

135249701 is a deficient number, since it is larger than the sum of its proper divisors (1).

135249701 is an equidigital number, since it uses as much as digits as its factorization.

135249701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 135249701 is about 11629.6904945918. The cubic root of 135249701 is about 513.3088726843.

The spelling of 135249701 in words is "one hundred thirty-five million, two hundred forty-nine thousand, seven hundred one".