2690138 has 8 divisors (see below), whose sum is σ = 4402080. Its totient is φ = 1222780.

The previous prime is 2690137. The next prime is 2690141. The reversal of 2690138 is 8310962.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2690138.

It is not an unprimeable number, because it can be changed into a prime (2690137) 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, 61118 + ... + 61161.

It is an arithmetic number, because the mean of its divisors is an integer number (550260).

2^2690138 is an apocalyptic number.

2690138 is a deficient number, since it is larger than the sum of its proper divisors (1711942).

2690138 is a wasteful number, since it uses less digits than its factorization.

2690138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122292.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 2690138 is about 1640.1640161886. The cubic root of 2690138 is about 139.0779198404.

The spelling of 2690138 in words is "two million, six hundred ninety thousand, one hundred thirty-eight".