342239191 has 12 divisors (see below), whose sum is σ = 412802832. Its totient is φ = 277906464.

The previous prime is 342239167. The next prime is 342239221. The reversal of 342239191 is 191932243.

It is a de Polignac number, because none of the positive numbers 2^k-342239191 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 (342239141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65190 + ... + 70243.

It is an arithmetic number, because the mean of its divisors is an integer number (34400236).

Almost surely, 2^342239191 is an apocalyptic number.

342239191 is a deficient number, since it is larger than the sum of its proper divisors (70563641).

342239191 is a wasteful number, since it uses less digits than its factorization.

342239191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135478 (or 135459 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 342239191 is about 18499.7078625583. The cubic root of 342239191 is about 699.4820597200.

The spelling of 342239191 in words is "three hundred forty-two million, two hundred thirty-nine thousand, one hundred ninety-one".