139791560478 has 16 divisors (see below), whose sum is σ = 283520912256. Its totient is φ = 45940888280.

The previous prime is 139791560449. The next prime is 139791560479. The reversal of 139791560478 is 874065197931.

139791560478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (139791560479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164074176 + ... + 164075027.

It is an arithmetic number, because the mean of its divisors is an integer number (17720057016).

Almost surely, 2^139791560478 is an apocalyptic number.

139791560478 is an abundant number, since it is smaller than the sum of its proper divisors (143729351778).

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

139791560478 is a wasteful number, since it uses less digits than its factorization.

139791560478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328149279.

The product of its (nonzero) digits is 11430720, while the sum is 60.

The spelling of 139791560478 in words is "one hundred thirty-nine billion, seven hundred ninety-one million, five hundred sixty thousand, four hundred seventy-eight".