195013425139 has 16 divisors (see below), whose sum is σ = 222475970080. Its totient is φ = 169451792640.

The previous prime is 195013425121. The next prime is 195013425161. The reversal of 195013425139 is 931524310591.

It is not a de Polignac number, because 195013425139 - 2¹⁹ = 195012900851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195013425095 and 195013425104.

It is not an unprimeable number, because it can be changed into a prime (195013435139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2475642 + ... + 2553199.

It is an arithmetic number, because the mean of its divisors is an integer number (13904748130).

Almost surely, 2^195013425139 is an apocalyptic number.

195013425139 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

195013425139 is a deficient number, since it is larger than the sum of its proper divisors (27462544941).

195013425139 is a wasteful number, since it uses less digits than its factorization.

195013425139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5029030.

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 195013425139 in words is "one hundred ninety-five billion, thirteen million, four hundred twenty-five thousand, one hundred thirty-nine".