343712140 has 24 divisors (see below), whose sum is σ = 725582592. Its totient is φ = 136763520.

The previous prime is 343712119. The next prime is 343712153. The reversal of 343712140 is 41217343.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41169 + ... + 48808.

It is an arithmetic number, because the mean of its divisors is an integer number (30232608).

Almost surely, 2^343712140 is an apocalyptic number.

It is an amenable number.

343712140 is an abundant number, since it is smaller than the sum of its proper divisors (381870452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

343712140 is a wasteful number, since it uses less digits than its factorization.

343712140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90177 (or 90175 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 343712140 is about 18539.4751813529. The cubic root of 343712140 is about 700.4841140932.

Adding to 343712140 its reverse (41217343), we get a palindrome (384929483).

The spelling of 343712140 in words is "three hundred forty-three million, seven hundred twelve thousand, one hundred forty".