79135349 has 4 divisors (see below), whose sum is σ = 79156236. Its totient is φ = 79114464.

The previous prime is 79135337. The next prime is 79135367. The reversal of 79135349 is 94353197.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 58140625 + 20994724 = 7625^2 + 4582^2 .

It is a cyclic number.

It is not a de Polignac number, because 79135349 - 2⁴ = 79135333 is a prime.

It is a super-2 number, since 2×79135349² = 12524806922703602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79135549) 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, 2984 + ... + 12929.

It is an arithmetic number, because the mean of its divisors is an integer number (19789059).

Almost surely, 2^79135349 is an apocalyptic number.

It is an amenable number.

79135349 is a deficient number, since it is larger than the sum of its proper divisors (20887).

79135349 is a wasteful number, since it uses less digits than its factorization.

79135349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20886.

The product of its digits is 102060, while the sum is 41.

The square root of 79135349 is about 8895.8051350060. The cubic root of 79135349 is about 429.3289497102.

The spelling of 79135349 in words is "seventy-nine million, one hundred thirty-five thousand, three hundred forty-nine".