345696140 has 12 divisors (see below), whose sum is σ = 725961936. Its totient is φ = 138278448.

The previous prime is 345696137. The next prime is 345696149. The reversal of 345696140 is 41696543.

It is a junction number, because it is equal to n+sod(n) for n = 345696094 and 345696103.

It is not an unprimeable number, because it can be changed into a prime (345696149) 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, 8642384 + ... + 8642423.

It is an arithmetic number, because the mean of its divisors is an integer number (60496828).

Almost surely, 2^345696140 is an apocalyptic number.

It is an amenable number.

345696140 is an abundant number, since it is smaller than the sum of its proper divisors (380265796).

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

345696140 is a wasteful number, since it uses less digits than its factorization.

345696140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17284816 (or 17284814 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 345696140 is about 18592.9056362904. The cubic root of 345696140 is about 701.8293240698.

The spelling of 345696140 in words is "three hundred forty-five million, six hundred ninety-six thousand, one hundred forty".