135898847 has 8 divisors (see below), whose sum is σ = 157631616. Its totient is φ = 114745752.

The previous prime is 135898793. The next prime is 135898853. The reversal of 135898847 is 748898531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 135898847 - 2⁶ = 135898783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135898747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144413 + ... + 145350.

It is an arithmetic number, because the mean of its divisors is an integer number (19703952).

Almost surely, 2^135898847 is an apocalyptic number.

135898847 is a deficient number, since it is larger than the sum of its proper divisors (21732769).

135898847 is an equidigital number, since it uses as much as digits as its factorization.

135898847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289837.

The product of its digits is 1935360, while the sum is 53.

The square root of 135898847 is about 11657.5660838787. The cubic root of 135898847 is about 514.1287900156.

The spelling of 135898847 in words is "one hundred thirty-five million, eight hundred ninety-eight thousand, eight hundred forty-seven".