2315008138 has 4 divisors (see below), whose sum is σ = 3472512210. Its totient is φ = 1157504068.

The previous prime is 2315008109. The next prime is 2315008151. The reversal of 2315008138 is 8318005132.

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

It can be written as a sum of positive squares in only one way, i.e., 1617889729 + 697118409 = 40223^2 + 26403^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578752033 + ... + 578752036.

Almost surely, 2^2315008138 is an apocalyptic number.

2315008138 is a deficient number, since it is larger than the sum of its proper divisors (1157504072).

2315008138 is a wasteful number, since it uses less digits than its factorization.

2315008138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157504071.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 2315008138 is about 48114.5314639974. The cubic root of 2315008138 is about 1322.8710347197.

The spelling of 2315008138 in words is "two billion, three hundred fifteen million, eight thousand, one hundred thirty-eight".