2139754 has 8 divisors (see below), whose sum is σ = 3234528. Its totient is φ = 1061580.

The previous prime is 2139743. The next prime is 2139757. The reversal of 2139754 is 4579312.

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

It is not an unprimeable number, because it can be changed into a prime (2139757) 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, 3822 + ... + 4345.

It is an arithmetic number, because the mean of its divisors is an integer number (404316).

2^2139754 is an apocalyptic number.

2139754 is a deficient number, since it is larger than the sum of its proper divisors (1094774).

2139754 is a wasteful number, since it uses less digits than its factorization.

2139754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8300.

The product of its digits is 7560, while the sum is 31.

The square root of 2139754 is about 1462.7898003473. The cubic root of 2139754 is about 128.8609362137.

The spelling of 2139754 in words is "two million, one hundred thirty-nine thousand, seven hundred fifty-four".