139907679019 has 2 divisors, whose sum is σ = 139907679020. Its totient is φ = 139907679018.

The previous prime is 139907678929. The next prime is 139907679029. The reversal of 139907679019 is 910976709931.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 139907679019 - 2⁷ = 139907678891 is a prime.

It is a super-2 number, since 2×139907679019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (139907679029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69953839509 + 69953839510.

It is an arithmetic number, because the mean of its divisors is an integer number (69953839510).

Almost surely, 2^139907679019 is an apocalyptic number.

139907679019 is a deficient number, since it is larger than the sum of its proper divisors (1).

139907679019 is an equidigital number, since it uses as much as digits as its factorization.

139907679019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5786802, while the sum is 61.

The spelling of 139907679019 in words is "one hundred thirty-nine billion, nine hundred seven million, six hundred seventy-nine thousand, nineteen".