139115430 has 48 divisors (see below), whose sum is σ = 364927680. Its totient is φ = 36766464.

The previous prime is 139115401. The next prime is 139115467. The reversal of 139115430 is 34511931.

139115430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 139115394 and 139115403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3331 + ... + 17009.

It is an arithmetic number, because the mean of its divisors is an integer number (7602660).

Almost surely, 2^139115430 is an apocalyptic number.

139115430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 139115430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182463840).

139115430 is an abundant number, since it is smaller than the sum of its proper divisors (225812250).

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

139115430 is a wasteful number, since it uses less digits than its factorization.

139115430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13805 (or 13802 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 139115430 is about 11794.7204290733. The cubic root of 139115430 is about 518.1534977387.

The spelling of 139115430 in words is "one hundred thirty-nine million, one hundred fifteen thousand, four hundred thirty".