139472735 has 8 divisors (see below), whose sum is σ = 170928576. Its totient is φ = 109204000.

The previous prime is 139472717. The next prime is 139472747. The reversal of 139472735 is 537274931.

139472735 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 139472735 - 2⁸ = 139472479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139472692 and 139472701.

It is a congruent number.

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, 296516 + ... + 296985.

It is an arithmetic number, because the mean of its divisors is an integer number (21366072).

Almost surely, 2^139472735 is an apocalyptic number.

139472735 is a deficient number, since it is larger than the sum of its proper divisors (31455841).

139472735 is an equidigital number, since it uses as much as digits as its factorization.

139472735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593553.

The product of its digits is 158760, while the sum is 41.

The square root of 139472735 is about 11809.8575351272. The cubic root of 139472735 is about 518.5967281250.

The spelling of 139472735 in words is "one hundred thirty-nine million, four hundred seventy-two thousand, seven hundred thirty-five".