139242999389175 has 60 divisors (see below), whose sum is σ = 281374001773656. Its totient is φ = 67511757268800.

The previous prime is 139242999389171. The next prime is 139242999389191. The reversal of 139242999389175 is 571983999242931.

139242999389175 is a `hidden beast` number, since 1 + 3 + 9 + 2 + 429 + 9 + 9 + 38 + 91 + 75 = 666.

139242999389175 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 139242999389175 - 2² = 139242999389171 is a prime.

It is a super-2 number, since 2×139242999389175² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is a junction number, because it is equal to n+sod(n) for n = 139242999389094 and 139242999389103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139242999389171) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3125522044 + ... + 3125566593.

Almost surely, 2^{139242999389175} is an apocalyptic number.

139242999389175 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139242999389175 is an abundant number, since it is smaller than the sum of its proper divisors (142131002384481).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139242999389175 is a wasteful number, since it uses less digits than its factorization.

139242999389175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6251088670 (or 6251088656 counting only the distinct ones).

The product of its digits is 2380855680, while the sum is 81.

The spelling of 139242999389175 in words is "one hundred thirty-nine trillion, two hundred forty-two billion, nine hundred ninety-nine million, three hundred eighty-nine thousand, one hundred seventy-five".