139662484 has 12 divisors (see below), whose sum is σ = 263210164. Its totient is φ = 64459584.

The previous prime is 139662461. The next prime is 139662491. The reversal of 139662484 is 484266931.

It is a happy number.

139662484 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41216400 + 98446084 = 6420^2 + 9922^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 139662484.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342857 + ... + 1342960.

Almost surely, 2^139662484 is an apocalyptic number.

It is an amenable number.

139662484 is a deficient number, since it is larger than the sum of its proper divisors (123547680).

139662484 is a wasteful number, since it uses less digits than its factorization.

139662484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685834 (or 2685832 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 139662484 is about 11817.8883054461. Note that the first 3 decimals coincide. The cubic root of 139662484 is about 518.8318006388.

The spelling of 139662484 in words is "one hundred thirty-nine million, six hundred sixty-two thousand, four hundred eighty-four".