139365986930 has 16 divisors (see below), whose sum is σ = 251238302424. Its totient is φ = 55662055680.

The previous prime is 139365986873. The next prime is 139365986941. The reversal of 139365986930 is 39689563931.

It can be written as a sum of positive squares in 4 ways, for example, as 103968198481 + 35397788449 = 322441^2 + 188143^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10535447 + ... + 10548666.

Almost surely, 2^139365986930 is an apocalyptic number.

139365986930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139365986930 is a deficient number, since it is larger than the sum of its proper divisors (111872315494).

139365986930 is a wasteful number, since it uses less digits than its factorization.

139365986930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21084781.

The product of its (nonzero) digits is 28343520, while the sum is 62.

The spelling of 139365986930 in words is "one hundred thirty-nine billion, three hundred sixty-five million, nine hundred eighty-six thousand, nine hundred thirty".