139781305010 has 16 divisors (see below), whose sum is σ = 264848788800. Its totient is φ = 52969757616.

The previous prime is 139781305009. The next prime is 139781305031. The reversal of 139781305010 is 10503187931.

It is a super-3 number, since 3×139781305010³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367845350 + ... + 367845729.

It is an arithmetic number, because the mean of its divisors is an integer number (16553049300).

Almost surely, 2^139781305010 is an apocalyptic number.

139781305010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139781305010 is a deficient number, since it is larger than the sum of its proper divisors (125067483790).

139781305010 is a wasteful number, since it uses less digits than its factorization.

139781305010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735691105.

The product of its (nonzero) digits is 22680, while the sum is 38.

The spelling of 139781305010 in words is "one hundred thirty-nine billion, seven hundred eighty-one million, three hundred five thousand, ten".