2150228139 has 4 divisors (see below), whose sum is σ = 2866970856. Its totient is φ = 1433485424.

The previous prime is 2150228137. The next prime is 2150228141. The reversal of 2150228139 is 9318220512.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2150228137) and next prime (2150228141).

It is a cyclic number.

It is not a de Polignac number, because 2150228139 - 2¹ = 2150228137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2150228137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358371354 + ... + 358371359.

It is an arithmetic number, because the mean of its divisors is an integer number (716742714).

Almost surely, 2^2150228139 is an apocalyptic number.

2150228139 is a deficient number, since it is larger than the sum of its proper divisors (716742717).

2150228139 is an equidigital number, since it uses as much as digits as its factorization.

2150228139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716742716.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 2150228139 is about 46370.5524983259. The cubic root of 2150228139 is about 1290.7085303058.

The spelling of 2150228139 in words is "two billion, one hundred fifty million, two hundred twenty-eight thousand, one hundred thirty-nine".