199507342 has 16 divisors (see below), whose sum is σ = 317541600. Its totient is φ = 93685248.

The previous prime is 199507333. The next prime is 199507361. The reversal of 199507342 is 243705991.

It is a junction number, because it is equal to n+sod(n) for n = 199507295 and 199507304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10534 + ... + 22582.

It is an arithmetic number, because the mean of its divisors is an integer number (19846350).

Almost surely, 2^199507342 is an apocalyptic number.

199507342 is a deficient number, since it is larger than the sum of its proper divisors (118034258).

199507342 is a wasteful number, since it uses less digits than its factorization.

199507342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12555.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 199507342 is about 14124.7067934170. The cubic root of 199507342 is about 584.3229725841.

The spelling of 199507342 in words is "one hundred ninety-nine million, five hundred seven thousand, three hundred forty-two".