2138614245 has 80 divisors (see below), whose sum is σ = 4030055040. Its totient is φ = 1083632256.

The previous prime is 2138614213. The next prime is 2138614253. The reversal of 2138614245 is 5424168312.

It is a happy number.

2138614245 is a `hidden beast` number, since 2 + 1 + 38 + 614 + 2 + 4 + 5 = 666.

It is not a de Polignac number, because 2138614245 - 2⁵ = 2138614213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 642696 + ... + 646014.

It is an arithmetic number, because the mean of its divisors is an integer number (50375688).

Almost surely, 2^2138614245 is an apocalyptic number.

It is an amenable number.

2138614245 is a deficient number, since it is larger than the sum of its proper divisors (1891440795).

2138614245 is a wasteful number, since it uses less digits than its factorization.

2138614245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416 (or 3407 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 2138614245 is about 46245.1537460954. The cubic root of 2138614245 is about 1288.3805258923.

The spelling of 2138614245 in words is "two billion, one hundred thirty-eight million, six hundred fourteen thousand, two hundred forty-five".