1340834964 has 24 divisors (see below), whose sum is σ = 3575560128. Its totient is φ = 383095680.

The previous prime is 1340834951. The next prime is 1340834983. The reversal of 1340834964 is 4694380431.

1340834964 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 7981077 + ... + 7981244.

It is an arithmetic number, because the mean of its divisors is an integer number (148981672).

Almost surely, 2^1340834964 is an apocalyptic number.

1340834964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1340834964 is an abundant number, since it is smaller than the sum of its proper divisors (2234725164).

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

1340834964 is a wasteful number, since it uses less digits than its factorization.

1340834964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15962335 (or 15962333 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 1340834964 is about 36617.4133985458. The cubic root of 1340834964 is about 1102.7027104499.

The spelling of 1340834964 in words is "one billion, three hundred forty million, eight hundred thirty-four thousand, nine hundred sixty-four".