1346740740 has 72 divisors (see below), whose sum is σ = 4090527168. Its totient is φ = 358655040.

The previous prime is 1346740727. The next prime is 1346740757. The reversal of 1346740740 is 470476431.

It is a happy number.

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 = 1346740695 and 1346740704.

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, 143595 + ... + 152685.

Almost surely, 2^1346740740 is an apocalyptic number.

1346740740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1346740740 is an abundant number, since it is smaller than the sum of its proper divisors (2743786428).

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

1346740740 is a wasteful number, since it uses less digits than its factorization.

1346740740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9929 (or 9924 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 1346740740 is about 36697.9664286729. The cubic root of 1346740740 is about 1104.3193094175.

The spelling of 1346740740 in words is "one billion, three hundred forty-six million, seven hundred forty thousand, seven hundred forty".