1339744834 has 16 divisors (see below), whose sum is σ = 2118412800. Its totient is φ = 633708144.

The previous prime is 1339744817. The next prime is 1339744897. The reversal of 1339744834 is 4384479331.

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, 2079 + ... + 51805.

It is an arithmetic number, because the mean of its divisors is an integer number (132400800).

Almost surely, 2^1339744834 is an apocalyptic number.

1339744834 is a deficient number, since it is larger than the sum of its proper divisors (778667966).

1339744834 is a wasteful number, since it uses less digits than its factorization.

1339744834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50457.

The product of its digits is 870912, while the sum is 46.

The square root of 1339744834 is about 36602.5249675483. The cubic root of 1339744834 is about 1102.4037884447.

The spelling of 1339744834 in words is "one billion, three hundred thirty-nine million, seven hundred forty-four thousand, eight hundred thirty-four".