2138148374 has 8 divisors (see below), whose sum is σ = 3207745848. Its totient is φ = 1068899760.

The previous prime is 2138148367. The next prime is 2138148403. The reversal of 2138148374 is 4738418312.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 71312 + ... + 96755.

It is an arithmetic number, because the mean of its divisors is an integer number (400968231).

Almost surely, 2^2138148374 is an apocalyptic number.

2138148374 is a deficient number, since it is larger than the sum of its proper divisors (1069597474).

2138148374 is a wasteful number, since it uses less digits than its factorization.

2138148374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174430.

The product of its digits is 129024, while the sum is 41.

The square root of 2138148374 is about 46240.1165007183. The cubic root of 2138148374 is about 1288.2869664431.

The spelling of 2138148374 in words is "two billion, one hundred thirty-eight million, one hundred forty-eight thousand, three hundred seventy-four".