1339061949 has 24 divisors (see below), whose sum is σ = 2018671200. Its totient is φ = 886996656.

The previous prime is 1339061897. The next prime is 1339061959. The reversal of 1339061949 is 9491609331.

It is not a de Polignac number, because 1339061949 - 2⁷ = 1339061821 is a prime.

It is a super-3 number, since 3×1339061949³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339061959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20602 + ... + 55700.

It is an arithmetic number, because the mean of its divisors is an integer number (84111300).

Almost surely, 2^1339061949 is an apocalyptic number.

It is an amenable number.

1339061949 is a deficient number, since it is larger than the sum of its proper divisors (679609251).

1339061949 is an equidigital number, since it uses as much as digits as its factorization.

1339061949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35271 (or 35259 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 1339061949 is about 36593.1953920398. The cubic root of 1339061949 is about 1102.2164535297.

The spelling of 1339061949 in words is "one billion, three hundred thirty-nine million, sixty-one thousand, nine hundred forty-nine".