1339264949 has 8 divisors (see below), whose sum is σ = 1475483040. Its totient is φ = 1205458000.

The previous prime is 1339264931. The next prime is 1339264957. The reversal of 1339264949 is 9494629331.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1339264949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1339264897 and 1339264906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339264919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 601619 + ... + 603840.

It is an arithmetic number, because the mean of its divisors is an integer number (184435380).

Almost surely, 2^1339264949 is an apocalyptic number.

It is an amenable number.

1339264949 is a deficient number, since it is larger than the sum of its proper divisors (136218091).

1339264949 is a wasteful number, since it uses less digits than its factorization.

1339264949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205571.

The product of its digits is 1259712, while the sum is 50.

The square root of 1339264949 is about 36595.9690266565. The cubic root of 1339264949 is about 1102.2721488952.

The spelling of 1339264949 in words is "one billion, three hundred thirty-nine million, two hundred sixty-four thousand, nine hundred forty-nine".