139322155652 has 6 divisors (see below), whose sum is σ = 243813772398. Its totient is φ = 69661077824.

The previous prime is 139322155639. The next prime is 139322155663. The reversal of 139322155652 is 256551223931.

It can be written as a sum of positive squares in only one way, i.e., 139320041536 + 2114116 = 373256^2 + 1454^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17415269453 + ... + 17415269460.

It is an arithmetic number, because the mean of its divisors is an integer number (40635628733).

Almost surely, 2^139322155652 is an apocalyptic number.

It is an amenable number.

139322155652 is a deficient number, since it is larger than the sum of its proper divisors (104491616746).

139322155652 is a wasteful number, since it uses less digits than its factorization.

139322155652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34830538917 (or 34830538915 counting only the distinct ones).

The product of its digits is 486000, while the sum is 44.

The spelling of 139322155652 in words is "one hundred thirty-nine billion, three hundred twenty-two million, one hundred fifty-five thousand, six hundred fifty-two".