139886854635 has 32 divisors (see below), whose sum is σ = 246030048000. Its totient is φ = 67306179200.

The previous prime is 139886854631. The next prime is 139886854733. The reversal of 139886854635 is 536458688931.

It is not a de Polignac number, because 139886854635 - 2² = 139886854631 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139886854631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3214260 + ... + 3257489.

It is an arithmetic number, because the mean of its divisors is an integer number (7688439000).

Almost surely, 2^139886854635 is an apocalyptic number.

139886854635 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

139886854635 is a deficient number, since it is larger than the sum of its proper divisors (106143193365).

139886854635 is a wasteful number, since it uses less digits than its factorization.

139886854635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471899.

The product of its digits is 149299200, while the sum is 66.

The spelling of 139886854635 in words is "one hundred thirty-nine billion, eight hundred eighty-six million, eight hundred fifty-four thousand, six hundred thirty-five".