135848551 has 2 divisors, whose sum is σ = 135848552. Its totient is φ = 135848550.

The previous prime is 135848549. The next prime is 135848561. The reversal of 135848551 is 155848531.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 135848551 - 2¹ = 135848549 is a prime.

Together with 135848549, 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 (135848501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67924275 + 67924276.

It is an arithmetic number, because the mean of its divisors is an integer number (67924276).

Almost surely, 2^135848551 is an apocalyptic number.

135848551 is a deficient number, since it is larger than the sum of its proper divisors (1).

135848551 is an equidigital number, since it uses as much as digits as its factorization.

135848551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96000, while the sum is 40.

The square root of 135848551 is about 11655.4086586443. The cubic root of 135848551 is about 514.0653560402.

The spelling of 135848551 in words is "one hundred thirty-five million, eight hundred forty-eight thousand, five hundred fifty-one".