140971194 has 96 divisors (see below), whose sum is σ = 380540160. Its totient is φ = 36723456.

The previous prime is 140971177. The next prime is 140971217. The reversal of 140971194 is 491179041.

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 47 ways as a sum of consecutive naturals, for example, 145299 + ... + 146265.

It is an arithmetic number, because the mean of its divisors is an integer number (3963960).

Almost surely, 2^140971194 is an apocalyptic number.

140971194 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 140971194, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190270080).

140971194 is an abundant number, since it is smaller than the sum of its proper divisors (239568966).

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

140971194 is a wasteful number, since it uses less digits than its factorization.

140971194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 140971194 is about 11873.1290736688. The cubic root of 140971194 is about 520.4473394168.

The spelling of 140971194 in words is "one hundred forty million, nine hundred seventy-one thousand, one hundred ninety-four".