139303434 has 16 divisors (see below), whose sum is σ = 278778240. Its totient is φ = 46405920.

The previous prime is 139303403. The next prime is 139303447. The reversal of 139303434 is 434303931.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 5022 + ... + 17430.

It is an arithmetic number, because the mean of its divisors is an integer number (17423640).

Almost surely, 2^139303434 is an apocalyptic number.

139303434 is an abundant number, since it is smaller than the sum of its proper divisors (139474806).

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

139303434 is a wasteful number, since it uses less digits than its factorization.

139303434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14285.

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 139303434 is about 11802.6875752940. The cubic root of 139303434 is about 518.3868077800.

The spelling of 139303434 in words is "one hundred thirty-nine million, three hundred three thousand, four hundred thirty-four".