139130323091 has 2 divisors, whose sum is σ = 139130323092. Its totient is φ = 139130323090.

The previous prime is 139130323009. The next prime is 139130323097. The reversal of 139130323091 is 190323031931.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139130323091 - 2²² = 139126128787 is a prime.

It is not a weakly prime, because it can be changed into another prime (139130323097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69565161545 + 69565161546.

It is an arithmetic number, because the mean of its divisors is an integer number (69565161546).

Almost surely, 2^139130323091 is an apocalyptic number.

139130323091 is a deficient number, since it is larger than the sum of its proper divisors (1).

139130323091 is an equidigital number, since it uses as much as digits as its factorization.

139130323091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 35.

The spelling of 139130323091 in words is "one hundred thirty-nine billion, one hundred thirty million, three hundred twenty-three thousand, ninety-one".