199152534 has 16 divisors (see below), whose sum is σ = 455205888. Its totient is φ = 56900712.

The previous prime is 199152523. The next prime is 199152557. The reversal of 199152534 is 435251991.

It is a junction number, because it is equal to n+sod(n) for n = 199152492 and 199152501.

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, 2370822 + ... + 2370905.

It is an arithmetic number, because the mean of its divisors is an integer number (28450368).

Almost surely, 2^199152534 is an apocalyptic number.

199152534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

199152534 is an abundant number, since it is smaller than the sum of its proper divisors (256053354).

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

199152534 is a wasteful number, since it uses less digits than its factorization.

199152534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741739.

The product of its digits is 48600, while the sum is 39.

The square root of 199152534 is about 14112.1413683395. The cubic root of 199152534 is about 583.9763763353.

The spelling of 199152534 in words is "one hundred ninety-nine million, one hundred fifty-two thousand, five hundred thirty-four".