139506732036 has 81 divisors (see below), whose sum is σ = 410262357141. Its totient is φ = 39854584224.

The previous prime is 139506731993. The next prime is 139506732041. The reversal of 139506732036 is 630237605931.

The square root of 139506732036 is 373506.

It is a perfect power (a square), and thus also a powerful number.

139506732036 is a `hidden beast` number, since 139 + 506 + 7 + 3 + 2 + 0 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18920002500 + 120586729536 = 137550^2 + 347256^2 .

It is a super-3 number, since 3×139506732036³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139506731982 and 139506732000.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 15682806 + ... + 15691698.

Almost surely, 2^139506732036 is an apocalyptic number.

139506732036 is the 373506-th square number.

It is an amenable number.

139506732036 is an abundant number, since it is smaller than the sum of its proper divisors (270755625105).

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

139506732036 is an frugal number, since it uses more digits than its factorization.

139506732036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17810 (or 8905 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 45.

The spelling of 139506732036 in words is "one hundred thirty-nine billion, five hundred six million, seven hundred thirty-two thousand, thirty-six".