2709138 has 8 divisors (see below), whose sum is σ = 5418288. Its totient is φ = 903044.

The previous prime is 2709107. The next prime is 2709167. The reversal of 2709138 is 8319072.

It is a happy number.

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

2709138 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225756 + ... + 225767.

It is an arithmetic number, because the mean of its divisors is an integer number (677286).

2^2709138 is an apocalyptic number.

2709138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2709138 is a wasteful number, since it uses less digits than its factorization.

2709138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451528.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2709138 is about 1645.9459286380. The cubic root of 2709138 is about 139.4045801132.

The spelling of 2709138 in words is "two million, seven hundred nine thousand, one hundred thirty-eight".