139515983379 has 48 divisors (see below), whose sum is σ = 208797388800. Its totient is φ = 89711774208.

The previous prime is 139515983377. The next prime is 139515983389. The reversal of 139515983379 is 973389515931.

139515983379 is a `hidden beast` number, since 1 + 3 + 9 + 5 + 1 + 598 + 3 + 37 + 9 = 666.

It is not a de Polignac number, because 139515983379 - 2¹ = 139515983377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (139515983377) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17977302 + ... + 17985060.

It is an arithmetic number, because the mean of its divisors is an integer number (4349945600).

Almost surely, 2^139515983379 is an apocalyptic number.

139515983379 is a deficient number, since it is larger than the sum of its proper divisors (69281405421).

139515983379 is a wasteful number, since it uses less digits than its factorization.

139515983379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8384 (or 8381 counting only the distinct ones).

The product of its digits is 27556200, while the sum is 63.

The spelling of 139515983379 in words is "one hundred thirty-nine billion, five hundred fifteen million, nine hundred eighty-three thousand, three hundred seventy-nine".