139303435 has 8 divisors (see below), whose sum is σ = 168440976. Its totient is φ = 110591520.

The previous prime is 139303403. The next prime is 139303447. The reversal of 139303435 is 534303931.

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

It is not a de Polignac number, because 139303435 - 2⁵ = 139303403 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 139303397 and 139303406.

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, 105684 + ... + 106993.

It is an arithmetic number, because the mean of its divisors is an integer number (21055122).

Almost surely, 2^139303435 is an apocalyptic number.

139303435 is a deficient number, since it is larger than the sum of its proper divisors (29137541).

139303435 is a wasteful number, since it uses less digits than its factorization.

139303435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212813.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 139303435 is about 11802.6876176573. The cubic root of 139303435 is about 518.3868090204.

The spelling of 139303435 in words is "one hundred thirty-nine million, three hundred three thousand, four hundred thirty-five".