139824428930 has 32 divisors (see below), whose sum is σ = 264951129600. Its totient is φ = 52981972992.

The previous prime is 139824428897. The next prime is 139824428971. The reversal of 139824428930 is 39824428931.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3671426 + ... + 3709314.

It is an arithmetic number, because the mean of its divisors is an integer number (8279722800).

Almost surely, 2^139824428930 is an apocalyptic number.

139824428930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139824428930 is a deficient number, since it is larger than the sum of its proper divisors (125126700670).

139824428930 is a wasteful number, since it uses less digits than its factorization.

139824428930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57338.

The product of its (nonzero) digits is 2985984, while the sum is 53.

Subtracting from 139824428930 its reverse (39824428931), we obtain a palindrome (99999999999).

The spelling of 139824428930 in words is "one hundred thirty-nine billion, eight hundred twenty-four million, four hundred twenty-eight thousand, nine hundred thirty".