2150020139 has 2 divisors, whose sum is σ = 2150020140. Its totient is φ = 2150020138.

The previous prime is 2150020133. The next prime is 2150020177. The reversal of 2150020139 is 9310200512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2150020139 - 2¹⁶ = 2149954603 is a prime.

It is not a weakly prime, because it can be changed into another prime (2150020133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075010069 + 1075010070.

It is an arithmetic number, because the mean of its divisors is an integer number (1075010070).

Almost surely, 2^2150020139 is an apocalyptic number.

2150020139 is a deficient number, since it is larger than the sum of its proper divisors (1).

2150020139 is an equidigital number, since it uses as much as digits as its factorization.

2150020139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 2150020139 is about 46368.3096413919. The cubic root of 2150020139 is about 1290.6669105312. Note that the first 3 decimals are identical.

The spelling of 2150020139 in words is "two billion, one hundred fifty million, twenty thousand, one hundred thirty-nine".