1342209271 has 4 divisors (see below), whose sum is σ = 1445456152. Its totient is φ = 1238962392.

The previous prime is 1342209257. The next prime is 1342209307. The reversal of 1342209271 is 1729022431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1729022431 = 349 ⋅4954219.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342209271 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 (1342209241) 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, 51623421 + ... + 51623446.

It is an arithmetic number, because the mean of its divisors is an integer number (361364038).

Almost surely, 2^1342209271 is an apocalyptic number.

1342209271 is a deficient number, since it is larger than the sum of its proper divisors (103246881).

1342209271 is a wasteful number, since it uses less digits than its factorization.

1342209271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103246880.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1342209271 is about 36636.1743499509. The cubic root of 1342209271 is about 1103.0793251783.

The spelling of 1342209271 in words is "one billion, three hundred forty-two million, two hundred nine thousand, two hundred seventy-one".