2340139 has 4 divisors (see below), whose sum is σ = 2403424. Its totient is φ = 2276856.

The previous prime is 2340133. The next prime is 2340167. The reversal of 2340139 is 9310432.

2340139 = T₃₃₇ + T₃₃₈ + ... + T₃₇₃.

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

It is a cyclic number.

It is not a de Polignac number, because 2340139 - 2⁷ = 2340011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2340133) 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, 31587 + ... + 31660.

It is an arithmetic number, because the mean of its divisors is an integer number (600856).

2^2340139 is an apocalyptic number.

2340139 is a deficient number, since it is larger than the sum of its proper divisors (63285).

2340139 is an equidigital number, since it uses as much as digits as its factorization.

2340139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63284.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2340139 is about 1529.7512869745. The cubic root of 2340139 is about 132.7640681263.

The spelling of 2340139 in words is "two million, three hundred forty thousand, one hundred thirty-nine".