139289682506 has 32 divisors (see below), whose sum is σ = 230483994048. Its totient is φ = 62725703040.

The previous prime is 139289682479. The next prime is 139289682509. The reversal of 139289682506 is 605286982931.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (139289682509) 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, 992966 + ... + 1124526.

It is an arithmetic number, because the mean of its divisors is an integer number (7202624814).

Almost surely, 2^139289682506 is an apocalyptic number.

139289682506 is a deficient number, since it is larger than the sum of its proper divisors (91194311542).

139289682506 is a wasteful number, since it uses less digits than its factorization.

139289682506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132566.

The product of its (nonzero) digits is 11197440, while the sum is 59.

The spelling of 139289682506 in words is "one hundred thirty-nine billion, two hundred eighty-nine million, six hundred eighty-two thousand, five hundred six".