946139339 has 4 divisors (see below), whose sum is σ = 987275856. Its totient is φ = 905002824.

The previous prime is 946139303. The next prime is 946139347. The reversal of 946139339 is 933931649.

946139339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933931649 = 7 ⋅133418807.

It is a cyclic number.

It is not a de Polignac number, because 946139339 - 2¹² = 946135243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 946139293 and 946139302.

It is not an unprimeable number, because it can be changed into a prime (946135339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20568224 + ... + 20568269.

It is an arithmetic number, because the mean of its divisors is an integer number (246818964).

Almost surely, 2^946139339 is an apocalyptic number.

946139339 is a deficient number, since it is larger than the sum of its proper divisors (41136517).

946139339 is a wasteful number, since it uses less digits than its factorization.

946139339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41136516.

The product of its digits is 472392, while the sum is 47.

The square root of 946139339 is about 30759.3780658842. The cubic root of 946139339 is about 981.7141106927.

The spelling of 946139339 in words is "nine hundred forty-six million, one hundred thirty-nine thousand, three hundred thirty-nine".