139824428932 has 6 divisors (see below), whose sum is σ = 244692750638. Its totient is φ = 69912214464.

The previous prime is 139824428897. The next prime is 139824428971. The reversal of 139824428932 is 239824428931.

It can be written as a sum of positive squares in only one way, i.e., 138491156736 + 1333272196 = 372144^2 + 36514^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17478053613 + ... + 17478053620.

Almost surely, 2^139824428932 is an apocalyptic number.

It is an amenable number.

139824428932 is a deficient number, since it is larger than the sum of its proper divisors (104868321706).

139824428932 is a wasteful number, since it uses less digits than its factorization.

139824428932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34956107237 (or 34956107235 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 55.

Subtracting 139824428932 from its reverse (239824428931), we obtain a palindrome (99999999999).

The spelling of 139824428932 in words is "one hundred thirty-nine billion, eight hundred twenty-four million, four hundred twenty-eight thousand, nine hundred thirty-two".