1342340879 has 4 divisors (see below), whose sum is σ = 1464371880. Its totient is φ = 1220309880.

The previous prime is 1342340843. The next prime is 1342340891. The reversal of 1342340879 is 9780432431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1342340879 - 2²⁴ = 1325563663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342340819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61015484 + ... + 61015505.

It is an arithmetic number, because the mean of its divisors is an integer number (366092970).

Almost surely, 2^1342340879 is an apocalyptic number.

1342340879 is a deficient number, since it is larger than the sum of its proper divisors (122031001).

1342340879 is a wasteful number, since it uses less digits than its factorization.

1342340879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122031000.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 1342340879 is about 36637.9704541613. The cubic root of 1342340879 is about 1103.1153775094.

The spelling of 1342340879 in words is "one billion, three hundred forty-two million, three hundred forty thousand, eight hundred seventy-nine".