1342740843 has 6 divisors (see below), whose sum is σ = 1939514564. Its totient is φ = 895160556.

The previous prime is 1342740829. The next prime is 1342740859. The reversal of 1342740843 is 3480472431.

It is not a de Polignac number, because 1342740843 - 2⁸ = 1342740587 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1342740798 and 1342740807.

It is not an unprimeable number, because it can be changed into a prime (1342740823) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74596705 + ... + 74596722.

Almost surely, 2^1342740843 is an apocalyptic number.

1342740843 is a deficient number, since it is larger than the sum of its proper divisors (596773721).

1342740843 is a wasteful number, since it uses less digits than its factorization.

1342740843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149193433 (or 149193430 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 1342740843 is about 36643.4283739936. The cubic root of 1342740843 is about 1103.2249280795.

The spelling of 1342740843 in words is "one billion, three hundred forty-two million, seven hundred forty thousand, eight hundred forty-three".