2140340038 has 4 divisors (see below), whose sum is σ = 3210510060. Its totient is φ = 1070170018.

The previous prime is 2140340029. The next prime is 2140340087. The reversal of 2140340038 is 8300430412.

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

It is a junction number, because it is equal to n+sod(n) for n = 2140339994 and 2140340021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535085008 + ... + 535085011.

It is an arithmetic number, because the mean of its divisors is an integer number (802627515).

Almost surely, 2^2140340038 is an apocalyptic number.

2140340038 is a deficient number, since it is larger than the sum of its proper divisors (1070170022).

2140340038 is a wasteful number, since it uses less digits than its factorization.

2140340038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070170021.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2140340038 is about 46263.8091600767. The cubic root of 2140340038 is about 1288.7269932796.

The spelling of 2140340038 in words is "two billion, one hundred forty million, three hundred forty thousand, thirty-eight".