135706049 has 4 divisors (see below), whose sum is σ = 141606336. Its totient is φ = 129805764.

The previous prime is 135706033. The next prime is 135706057. The reversal of 135706049 is 940607531.

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 135706049 - 2⁴ = 135706033 is a prime.

It is a super-2 number, since 2×135706049² = 36832263470380802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (135706069) 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, 2950109 + ... + 2950154.

It is an arithmetic number, because the mean of its divisors is an integer number (35401584).

Almost surely, 2^135706049 is an apocalyptic number.

It is an amenable number.

135706049 is a deficient number, since it is larger than the sum of its proper divisors (5900287).

135706049 is an equidigital number, since it uses as much as digits as its factorization.

135706049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900286.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 135706049 is about 11649.2939271013. The cubic root of 135706049 is about 513.8855455818.

The spelling of 135706049 in words is "one hundred thirty-five million, seven hundred six thousand, forty-nine".