135552949 has 4 divisors (see below), whose sum is σ = 154917664. Its totient is φ = 116188236.

The previous prime is 135552943. The next prime is 135552983. The reversal of 135552949 is 949255531.

135552949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 135552949 - 2¹⁵ = 135520181 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 (135552943) 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, 9682347 + ... + 9682360.

It is an arithmetic number, because the mean of its divisors is an integer number (38729416).

Almost surely, 2^135552949 is an apocalyptic number.

It is an amenable number.

135552949 is a deficient number, since it is larger than the sum of its proper divisors (19364715).

135552949 is an equidigital number, since it uses as much as digits as its factorization.

135552949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19364714.

The product of its digits is 243000, while the sum is 43.

The square root of 135552949 is about 11642.7208589745. The cubic root of 135552949 is about 513.6922221378.

The spelling of 135552949 in words is "one hundred thirty-five million, five hundred fifty-two thousand, nine hundred forty-nine".