140547834 has 48 divisors (see below), whose sum is σ = 349614720. Its totient is φ = 39972960.

The previous prime is 140547809. The next prime is 140547851. The reversal of 140547834 is 438745041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26419 + ... + 31289.

It is an arithmetic number, because the mean of its divisors is an integer number (7283640).

Almost surely, 2^140547834 is an apocalyptic number.

140547834 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140547834, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174807360).

140547834 is an abundant number, since it is smaller than the sum of its proper divisors (209066886).

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

140547834 is a wasteful number, since it uses less digits than its factorization.

140547834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5115 (or 5112 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 140547834 is about 11855.2871749275. The cubic root of 140547834 is about 519.9258202864.

The spelling of 140547834 in words is "one hundred forty million, five hundred forty-seven thousand, eight hundred thirty-four".