1338941967 has 16 divisors (see below), whose sum is σ = 1948988928. Its totient is φ = 810881280.

The previous prime is 1338941959. The next prime is 1338941971. The reversal of 1338941967 is 7691498331.

It is not a de Polignac number, because 1338941967 - 2³ = 1338941959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338941917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32703 + ... + 61215.

It is an arithmetic number, because the mean of its divisors is an integer number (121811808).

Almost surely, 2^1338941967 is an apocalyptic number.

1338941967 is a deficient number, since it is larger than the sum of its proper divisors (610046961).

1338941967 is a wasteful number, since it uses less digits than its factorization.

1338941967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29950.

The product of its digits is 979776, while the sum is 51.

The square root of 1338941967 is about 36591.5559521592. Note that the first 3 decimals coincide. The cubic root of 1338941967 is about 1102.1835324527.

The spelling of 1338941967 in words is "one billion, three hundred thirty-eight million, nine hundred forty-one thousand, nine hundred sixty-seven".