135848397 has 4 divisors (see below), whose sum is σ = 181131200. Its totient is φ = 90565596.

The previous prime is 135848389. The next prime is 135848399. The reversal of 135848397 is 793848531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 135848397 - 2³ = 135848389 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 (135848399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22641397 + ... + 22641402.

It is an arithmetic number, because the mean of its divisors is an integer number (45282800).

Almost surely, 2^135848397 is an apocalyptic number.

It is an amenable number.

135848397 is a deficient number, since it is larger than the sum of its proper divisors (45282803).

135848397 is an equidigital number, since it uses as much as digits as its factorization.

135848397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45282802.

The product of its digits is 725760, while the sum is 48.

The square root of 135848397 is about 11655.4020522674. The cubic root of 135848397 is about 514.0651617894.

The spelling of 135848397 in words is "one hundred thirty-five million, eight hundred forty-eight thousand, three hundred ninety-seven".