14135078891 has 2 divisors, whose sum is σ = 14135078892. Its totient is φ = 14135078890.

The previous prime is 14135078869. The next prime is 14135078921. The reversal of 14135078891 is 19887053141.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14135078891 is a prime.

It is not a weakly prime, because it can be changed into another prime (14135078801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7067539445 + 7067539446.

It is an arithmetic number, because the mean of its divisors is an integer number (7067539446).

Almost surely, 2^14135078891 is an apocalyptic number.

14135078891 is a deficient number, since it is larger than the sum of its proper divisors (1).

14135078891 is an equidigital number, since it uses as much as digits as its factorization.

14135078891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 14135078891 in words is "fourteen billion, one hundred thirty-five million, seventy-eight thousand, eight hundred ninety-one".