139783121512 has 16 divisors (see below), whose sum is σ = 270547977600. Its totient is φ = 67636994160.

The previous prime is 139783121509. The next prime is 139783121561. The reversal of 139783121512 is 215121387931.

It is a super-2 number, since 2×139783121512² (a number of 23 digits) contains 22 as substring.

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, 281820562 + ... + 281821057.

It is an arithmetic number, because the mean of its divisors is an integer number (16909248600).

Almost surely, 2^139783121512 is an apocalyptic number.

It is an amenable number.

139783121512 is a deficient number, since it is larger than the sum of its proper divisors (130764856088).

139783121512 is a wasteful number, since it uses less digits than its factorization.

139783121512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563641656 (or 563641652 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The spelling of 139783121512 in words is "one hundred thirty-nine billion, seven hundred eighty-three million, one hundred twenty-one thousand, five hundred twelve".