139305189950 has 24 divisors (see below), whose sum is σ = 259117535952. Its totient is φ = 55719950720.

The previous prime is 139305189889. The next prime is 139305190009. The reversal of 139305189950 is 59981503931.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 139305189892 and 139305189901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2323247 + ... + 2382453.

It is an arithmetic number, because the mean of its divisors is an integer number (10796563998).

Almost surely, 2^139305189950 is an apocalyptic number.

139305189950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139305189950 is a deficient number, since it is larger than the sum of its proper divisors (119812346002).

139305189950 is a wasteful number, since it uses less digits than its factorization.

139305189950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106276 (or 106271 counting only the distinct ones).

The product of its (nonzero) digits is 1312200, while the sum is 53.

The spelling of 139305189950 in words is "one hundred thirty-nine billion, three hundred five million, one hundred eighty-nine thousand, nine hundred fifty".