1342740740 has 24 divisors (see below), whose sum is σ = 3076097472. Its totient is φ = 488269280.

The previous prime is 1342740731. The next prime is 1342740787. The reversal of 1342740740 is 470472431.

It is a junction number, because it is equal to n+sod(n) for n = 1342740697 and 1342740706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3051464 + ... + 3051903.

It is an arithmetic number, because the mean of its divisors is an integer number (128170728).

Almost surely, 2^1342740740 is an apocalyptic number.

1342740740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1342740740 is an abundant number, since it is smaller than the sum of its proper divisors (1733356732).

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

1342740740 is a wasteful number, since it uses less digits than its factorization.

1342740740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6103387 (or 6103385 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 1342740740 is about 36643.4269685574. The cubic root of 1342740740 is about 1103.2248998705.

The spelling of 1342740740 in words is "one billion, three hundred forty-two million, seven hundred forty thousand, seven hundred forty".