3138502115 has 16 divisors (see below), whose sum is σ = 4342327488. Its totient is φ = 2133067776.

The previous prime is 3138502111. The next prime is 3138502121. The reversal of 3138502115 is 5112058313.

It is a happy number.

It is not a de Polignac number, because 3138502115 - 2² = 3138502111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3138502111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 392822 + ... + 400731.

It is an arithmetic number, because the mean of its divisors is an integer number (271395468).

Almost surely, 2^3138502115 is an apocalyptic number.

3138502115 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3138502115 is a deficient number, since it is larger than the sum of its proper divisors (1203825373).

3138502115 is a wasteful number, since it uses less digits than its factorization.

3138502115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793678.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 3138502115 is about 56022.3358581200. The cubic root of 3138502115 is about 1464.1114663940. Note that the first 3 decimals are identical.

The spelling of 3138502115 in words is "three billion, one hundred thirty-eight million, five hundred two thousand, one hundred fifteen".