2140069234 has 4 divisors (see below), whose sum is σ = 3210103854. Its totient is φ = 1070034616.

The previous prime is 2140069153. The next prime is 2140069271. The reversal of 2140069234 is 4329600412.

It is a happy number.

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., 1310802025 + 829267209 = 36205^2 + 28797^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2140069196 and 2140069205.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535017307 + ... + 535017310.

Almost surely, 2^2140069234 is an apocalyptic number.

2140069234 is a deficient number, since it is larger than the sum of its proper divisors (1070034620).

2140069234 is a wasteful number, since it uses less digits than its factorization.

2140069234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070034619.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2140069234 is about 46260.8823305393. The cubic root of 2140069234 is about 1288.6726394326.

Adding to 2140069234 its reverse (4329600412), we get a palindrome (6469669646).

The spelling of 2140069234 in words is "two billion, one hundred forty million, sixty-nine thousand, two hundred thirty-four".