139472430 has 32 divisors (see below), whose sum is σ = 335124000. Its totient is φ = 37149312.

The previous prime is 139472429. The next prime is 139472479. The reversal of 139472430 is 34274931.

139472430 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×139472430³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 139472391 and 139472400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29896 + ... + 34244.

It is an arithmetic number, because the mean of its divisors is an integer number (10472625).

Almost surely, 2^139472430 is an apocalyptic number.

139472430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

139472430 is an abundant number, since it is smaller than the sum of its proper divisors (195651570).

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

139472430 is a wasteful number, since it uses less digits than its factorization.

139472430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5428.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 139472430 is about 11809.8446221786. The cubic root of 139472430 is about 518.5963501011.

The spelling of 139472430 in words is "one hundred thirty-nine million, four hundred seventy-two thousand, four hundred thirty".