139034780 has 48 divisors (see below), whose sum is σ = 308357280. Its totient is φ = 52512768.

The previous prime is 139034771. The next prime is 139034803. The reversal of 139034780 is 87430931.

It is a self number, because there is not a number n which added to its sum of digits gives 139034780.

It is a congruent number.

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, 225032 + ... + 225648.

It is an arithmetic number, because the mean of its divisors is an integer number (6424110).

Almost surely, 2^139034780 is an apocalyptic number.

139034780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 139034780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154178640).

139034780 is an abundant number, since it is smaller than the sum of its proper divisors (169322500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

139034780 is a wasteful number, since it uses less digits than its factorization.

139034780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238 (or 1236 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 139034780 is about 11791.3010308447. The cubic root of 139034780 is about 518.0533479142.

The spelling of 139034780 in words is "one hundred thirty-nine million, thirty-four thousand, seven hundred eighty".