1342855947 has 6 divisors (see below), whose sum is σ = 1790559228. Its totient is φ = 895194984.

The previous prime is 1342855937. The next prime is 1342855949. The reversal of 1342855947 is 7495582431.

It is not a de Polignac number, because 1342855947 - 2⁸ = 1342855691 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1342855896 and 1342855905.

It is not an unprimeable number, because it can be changed into a prime (1342855949) 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, 52893 + ... + 74049.

It is an arithmetic number, because the mean of its divisors is an integer number (298426538).

Almost surely, 2^1342855947 is an apocalyptic number.

1342855947 is a deficient number, since it is larger than the sum of its proper divisors (447703281).

1342855947 is an frugal number, since it uses more digits than its factorization.

1342855947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42317 (or 21160 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

The square root of 1342855947 is about 36644.9989357347. The cubic root of 1342855947 is about 1103.2564511577.

Multiplying 1342855947 by its sum of digits (48), we get a square (64457085456 = 253884²).

The spelling of 1342855947 in words is "one billion, three hundred forty-two million, eight hundred fifty-five thousand, nine hundred forty-seven".