3138055 has 4 divisors (see below), whose sum is σ = 3765672. Its totient is φ = 2510440.

The previous prime is 3138041. The next prime is 3138067. The reversal of 3138055 is 5508313.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5508313 = 269 ⋅20477.

It is a de Polignac number, because none of the positive numbers 2^k-3138055 is a prime.

It is a Duffinian number.

It is a congruent 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, 313801 + ... + 313810.

It is an arithmetic number, because the mean of its divisors is an integer number (941418).

Almost surely, 2^3138055 is an apocalyptic number.

3138055 is a deficient number, since it is larger than the sum of its proper divisors (627617).

3138055 is an equidigital number, since it uses as much as digits as its factorization.

3138055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627616.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 3138055 is about 1771.4556161530. The cubic root of 3138055 is about 146.4041936699.

The spelling of 3138055 in words is "three million, one hundred thirty-eight thousand, fifty-five".