3154139 has 4 divisors (see below), whose sum is σ = 3239424. Its totient is φ = 3068856.

The previous prime is 3154103. The next prime is 3154141. The reversal of 3154139 is 9314513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9314513 = 13 ⋅716501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3154139 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3154339) 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, 42587 + ... + 42660.

It is an arithmetic number, because the mean of its divisors is an integer number (809856).

Almost surely, 2^3154139 is an apocalyptic number.

3154139 is a deficient number, since it is larger than the sum of its proper divisors (85285).

3154139 is an equidigital number, since it uses as much as digits as its factorization.

3154139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85284.

The product of its digits is 1620, while the sum is 26.

The square root of 3154139 is about 1775.9895833028. The cubic root of 3154139 is about 146.6538975339.

The spelling of 3154139 in words is "three million, one hundred fifty-four thousand, one hundred thirty-nine".