2138600374 has 16 divisors (see below), whose sum is σ = 3406241808. Its totient is φ = 1003543552.

The previous prime is 2138600363. The next prime is 2138600377. The reversal of 2138600374 is 4730068312.

It is a happy number.

It is a super-2 number, since 2×2138600374² = 9147223119345879752, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2138600377) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77092 + ... + 101095.

It is an arithmetic number, because the mean of its divisors is an integer number (212890113).

Almost surely, 2^2138600374 is an apocalyptic number.

2138600374 is a deficient number, since it is larger than the sum of its proper divisors (1267641434).

2138600374 is a wasteful number, since it uses less digits than its factorization.

2138600374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178559.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2138600374 is about 46245.0037733808. The cubic root of 2138600374 is about 1288.3777404181.

Adding to 2138600374 its reverse (4730068312), we get a palindrome (6868668686).

The spelling of 2138600374 in words is "two billion, one hundred thirty-eight million, six hundred thousand, three hundred seventy-four".