1340742348 has 96 divisors (see below), whose sum is σ = 3829163520. Its totient is φ = 402304320.

The previous prime is 1340742329. The next prime is 1340742371. The reversal of 1340742348 is 8432470431.

1340742348 is a `hidden beast` number, since 13 + 407 + 4 + 234 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 116886 + ... + 127842.

It is an arithmetic number, because the mean of its divisors is an integer number (39887120).

Almost surely, 2^1340742348 is an apocalyptic number.

1340742348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340742348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1914581760).

1340742348 is an abundant number, since it is smaller than the sum of its proper divisors (2488421172).

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

1340742348 is a wasteful number, since it uses less digits than its factorization.

1340742348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11084 (or 11076 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 1340742348 is about 36616.1487324923. The cubic root of 1340742348 is about 1102.6773207317.

It can be divided in two parts, 13407 and 42348, that added together give a palindrome (55755).

The spelling of 1340742348 in words is "one billion, three hundred forty million, seven hundred forty-two thousand, three hundred forty-eight".