139706230210 has 8 divisors (see below), whose sum is σ = 251471214396. Its totient is φ = 55882492080.

The previous prime is 139706230199. The next prime is 139706230211. The reversal of 139706230210 is 12032607931.

It can be written as a sum of positive squares in 2 ways, for example, as 138520185489 + 1186044721 = 372183^2 + 34439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (139706230211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6985311501 + ... + 6985311520.

Almost surely, 2^139706230210 is an apocalyptic number.

139706230210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139706230210 is a deficient number, since it is larger than the sum of its proper divisors (111764984186).

139706230210 is a wasteful number, since it uses less digits than its factorization.

139706230210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13970623028.

The product of its (nonzero) digits is 13608, while the sum is 34.

The spelling of 139706230210 in words is "one hundred thirty-nine billion, seven hundred six million, two hundred thirty thousand, two hundred ten".