2153140246 has 4 divisors (see below), whose sum is σ = 3229710372. Its totient is φ = 1076570122.

The previous prime is 2153140229. The next prime is 2153140261. The reversal of 2153140246 is 6420413512.

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

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, 538285060 + ... + 538285063.

It is an arithmetic number, because the mean of its divisors is an integer number (807427593).

Almost surely, 2^2153140246 is an apocalyptic number.

2153140246 is a deficient number, since it is larger than the sum of its proper divisors (1076570126).

2153140246 is a wasteful number, since it uses less digits than its factorization.

2153140246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076570125.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2153140246 is about 46401.9422653837. The cubic root of 2153140246 is about 1291.2909469230.

Adding to 2153140246 its reverse (6420413512), we get a palindrome (8573553758).

The spelling of 2153140246 in words is "two billion, one hundred fifty-three million, one hundred forty thousand, two hundred forty-six".