139118065245 has 128 divisors (see below), whose sum is σ = 255467520000. Its totient is φ = 71794356480.

The previous prime is 139118065243. The next prime is 139118065271. The reversal of 139118065245 is 542560811931.

It is a happy number.

139118065245 is a `hidden beast` number, since 1 + 3 + 9 + 118 + 0 + 6 + 524 + 5 = 666.

It is not a de Polignac number, because 139118065245 - 2¹ = 139118065243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 139118065245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139118065241) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 301774315 + ... + 301774775.

It is an arithmetic number, because the mean of its divisors is an integer number (1995840000).

Almost surely, 2^139118065245 is an apocalyptic number.

139118065245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

139118065245 is a deficient number, since it is larger than the sum of its proper divisors (116349454755).

139118065245 is a wasteful number, since it uses less digits than its factorization.

139118065245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The spelling of 139118065245 in words is "one hundred thirty-nine billion, one hundred eighteen million, sixty-five thousand, two hundred forty-five".