1340839896 has 32 divisors (see below), whose sum is σ = 3656836800. Its totient is φ = 406315040.

The previous prime is 1340839883. The next prime is 1340839919. The reversal of 1340839896 is 6989380431.

It is a congruent number.

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, 2539206 + ... + 2539733.

It is an arithmetic number, because the mean of its divisors is an integer number (114276150).

Almost surely, 2^1340839896 is an apocalyptic number.

It is an amenable number.

1340839896 is an abundant number, since it is smaller than the sum of its proper divisors (2315996904).

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

1340839896 is a wasteful number, since it uses less digits than its factorization.

1340839896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078959 (or 5078955 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 1340839896 is about 36617.4807434919. The cubic root of 1340839896 is about 1102.7040624739.

The spelling of 1340839896 in words is "one billion, three hundred forty million, eight hundred thirty-nine thousand, eight hundred ninety-six".