199907134 has 8 divisors (see below), whose sum is σ = 342697968. Its totient is φ = 85674480.

The previous prime is 199907117. The next prime is 199907171. The reversal of 199907134 is 431709991.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7139527 + ... + 7139554.

It is an arithmetic number, because the mean of its divisors is an integer number (42837246).

Almost surely, 2^199907134 is an apocalyptic number.

199907134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

199907134 is a deficient number, since it is larger than the sum of its proper divisors (142790834).

199907134 is a wasteful number, since it uses less digits than its factorization.

199907134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14279090.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 199907134 is about 14138.8519335906. The cubic root of 199907134 is about 584.7130196858.

The spelling of 199907134 in words is "one hundred ninety-nine million, nine hundred seven thousand, one hundred thirty-four".