139682430 has 48 divisors (see below), whose sum is σ = 363798864. Its totient is φ = 37184640.

The previous prime is 139682419. The next prime is 139682479. The reversal of 139682430 is 34286931.

139682430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×139682430² = 39022362501409800, which contains 22 as substring.

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, 76225 + ... + 78035.

It is an arithmetic number, because the mean of its divisors is an integer number (7579143).

Almost surely, 2^139682430 is an apocalyptic number.

139682430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139682430 is an abundant number, since it is smaller than the sum of its proper divisors (224116434).

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

139682430 is a wasteful number, since it uses less digits than its factorization.

139682430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681 (or 2678 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 139682430 is about 11818.7321655074. The cubic root of 139682430 is about 518.8564985777.

The spelling of 139682430 in words is "one hundred thirty-nine million, six hundred eighty-two thousand, four hundred thirty".