20142901139 has 2 divisors, whose sum is σ = 20142901140. Its totient is φ = 20142901138.

The previous prime is 20142901127. The next prime is 20142901151. The reversal of 20142901139 is 93110924102.

It is a balanced prime because it is at equal distance from previous prime (20142901127) and next prime (20142901151).

It is a cyclic number.

It is not a de Polignac number, because 20142901139 - 2²⁸ = 19874465683 is a prime.

It is not a weakly prime, because it can be changed into another prime (20142901109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10071450569 + 10071450570.

It is an arithmetic number, because the mean of its divisors is an integer number (10071450570).

Almost surely, 2^20142901139 is an apocalyptic number.

20142901139 is a deficient number, since it is larger than the sum of its proper divisors (1).

20142901139 is an equidigital number, since it uses as much as digits as its factorization.

20142901139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 20142901139 in words is "twenty billion, one hundred forty-two million, nine hundred one thousand, one hundred thirty-nine".