1343356740 has 72 divisors (see below), whose sum is σ = 4445296128. Its totient is φ = 325661760.

The previous prime is 1343356739. The next prime is 1343356771. The reversal of 1343356740 is 476533431.

1343356740 is a `hidden beast` number, since 13 + 43 + 3 + 567 + 40 = 666.

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 = 1343356695 and 1343356704.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 337252 + ... + 341211.

It is an arithmetic number, because the mean of its divisors is an integer number (61740224).

Almost surely, 2^1343356740 is an apocalyptic number.

1343356740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343356740 is an abundant number, since it is smaller than the sum of its proper divisors (3101939388).

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

1343356740 is a wasteful number, since it uses less digits than its factorization.

1343356740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678489 (or 678484 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 36.

The square root of 1343356740 is about 36651.8313321449. The cubic root of 1343356740 is about 1103.3935803962.

The spelling of 1343356740 in words is "one billion, three hundred forty-three million, three hundred fifty-six thousand, seven hundred forty".