1338895734 has 96 divisors (see below), whose sum is σ = 3095269632. Its totient is φ = 385070400.

The previous prime is 1338895697. The next prime is 1338895739. The reversal of 1338895734 is 4375988331.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338895739) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3022117 + ... + 3022559.

It is an arithmetic number, because the mean of its divisors is an integer number (32242392).

Almost surely, 2^1338895734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1338895734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1547634816).

1338895734 is an abundant number, since it is smaller than the sum of its proper divisors (1756373898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1338895734 is a wasteful number, since it uses less digits than its factorization.

1338895734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 663 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 1338895734 is about 36590.9242025943. The cubic root of 1338895734 is about 1102.1708463570.

The spelling of 1338895734 in words is "one billion, three hundred thirty-eight million, eight hundred ninety-five thousand, seven hundred thirty-four".