8135949 has 8 divisors (see below), whose sum is σ = 10900192. Its totient is φ = 5397840.

The previous prime is 8135947. The next prime is 8135957. The reversal of 8135949 is 9495318.

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

It is not a de Polignac number, because 8135949 - 2¹ = 8135947 is a prime.

It is a super-2 number, since 2×8135949² = 132387332261202, which contains 22 as substring.

It is a Duffinian number.

8135949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8135947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5794 + ... + 7059.

It is an arithmetic number, because the mean of its divisors is an integer number (1362524).

Almost surely, 2^8135949 is an apocalyptic number.

It is an amenable number.

8135949 is a deficient number, since it is larger than the sum of its proper divisors (2764243).

8135949 is a wasteful number, since it uses less digits than its factorization.

8135949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13067.

The product of its digits is 38880, while the sum is 39.

The square root of 8135949 is about 2852.3584978049. The cubic root of 8135949 is about 201.1265508350.

The spelling of 8135949 in words is "eight million, one hundred thirty-five thousand, nine hundred forty-nine".