1343914740 has 240 divisors, whose sum is σ = 4949949312. Its totient is φ = 298785024.

The previous prime is 1343914739. The next prime is 1343914807. The reversal of 1343914740 is 474193431.

It is a super-3 number, since 3×1343914740³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a junction number, because it is equal to n+sod(n) for n = 1343914695 and 1343914704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 417979 + ... + 421181.

Almost surely, 2^1343914740 is an apocalyptic number.

1343914740 is a gapful number since it is divisible by the number (10) 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 1343914740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2474974656).

1343914740 is an abundant number, since it is smaller than the sum of its proper divisors (3606034572).

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

1343914740 is a wasteful number, since it uses less digits than its factorization.

1343914740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268 (or 3257 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1343914740 is about 36659.4427126218. The cubic root of 1343914740 is about 1103.5463341586.

The spelling of 1343914740 in words is "one billion, three hundred forty-three million, nine hundred fourteen thousand, seven hundred forty".