191572134000 has 640 divisors, whose sum is σ = 681364389888. Its totient is φ = 46022860800.

The previous prime is 191572133981. The next prime is 191572134059. The reversal of 191572134000 is 431275191.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 822197884 + ... + 822198116.

Almost surely, 2^191572134000 is an apocalyptic number.

191572134000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 191572134000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340682194944).

191572134000 is an abundant number, since it is smaller than the sum of its proper divisors (489792255888).

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

191572134000 is a wasteful number, since it uses less digits than its factorization.

191572134000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 191572134000 in words is "one hundred ninety-one billion, five hundred seventy-two million, one hundred thirty-four thousand".