834138015 has 8 divisors (see below), whose sum is σ = 1334620848. Its totient is φ = 444873600.

The previous prime is 834138013. The next prime is 834138029. The reversal of 834138015 is 510831438.

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

It is not a de Polignac number, because 834138015 - 2¹ = 834138013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834138013) 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, 27804586 + ... + 27804615.

It is an arithmetic number, because the mean of its divisors is an integer number (166827606).

Almost surely, 2^834138015 is an apocalyptic number.

834138015 is a deficient number, since it is larger than the sum of its proper divisors (500482833).

834138015 is a wasteful number, since it uses less digits than its factorization.

834138015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55609209.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 834138015 is about 28881.4475918365. The cubic root of 834138015 is about 941.3388252161.

The spelling of 834138015 in words is "eight hundred thirty-four million, one hundred thirty-eight thousand, fifteen".