1340745148420 has 24 divisors (see below), whose sum is σ = 2815610414400. Its totient is φ = 536289373152.

The previous prime is 1340745148399. The next prime is 1340745148423. The reversal of 1340745148420 is 248415470431.

It is not an unprimeable number, because it can be changed into a prime (1340745148423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804351 + ... + 1824409.

It is an arithmetic number, because the mean of its divisors is an integer number (117317100600).

Almost surely, 2^{1340745148420} is an apocalyptic number.

1340745148420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340745148420 is an abundant number, since it is smaller than the sum of its proper divisors (1474865265980).

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

1340745148420 is a wasteful number, since it uses less digits than its factorization.

1340745148420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085787 (or 1085785 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 43.

The spelling of 1340745148420 in words is "one trillion, three hundred forty billion, seven hundred forty-five million, one hundred forty-eight thousand, four hundred twenty".