199519342 has 32 divisors (see below), whose sum is σ = 358629120. Its totient is φ = 82177920.

The previous prime is 199519303. The next prime is 199519373. The reversal of 199519342 is 243915991.

It is a super-2 number, since 2×199519342² = 79615935664225928, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 763 + ... + 19990.

It is an arithmetic number, because the mean of its divisors is an integer number (11207160).

Almost surely, 2^199519342 is an apocalyptic number.

199519342 is a deficient number, since it is larger than the sum of its proper divisors (159109778).

199519342 is a wasteful number, since it uses less digits than its factorization.

199519342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20808.

The product of its digits is 87480, while the sum is 43.

The square root of 199519342 is about 14125.1315746084. The cubic root of 199519342 is about 584.3346876669.

The spelling of 199519342 in words is "one hundred ninety-nine million, five hundred nineteen thousand, three hundred forty-two".