140191744 has 144 divisors (see below), whose sum is σ = 358525440. Its totient is φ = 54190080.

The previous prime is 140191687. The next prime is 140191759. The reversal of 140191744 is 447191041.

140191744 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1103809 + ... + 1103935.

It is an arithmetic number, because the mean of its divisors is an integer number (2489760).

Almost surely, 2^140191744 is an apocalyptic number.

140191744 is a gapful number since it is divisible by the number (14) 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 140191744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179262720).

140191744 is an abundant number, since it is smaller than the sum of its proper divisors (218333696).

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

140191744 is a wasteful number, since it uses less digits than its factorization.

140191744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 140191744 is about 11840.2594566166. The cubic root of 140191744 is about 519.4863567081.

The spelling of 140191744 in words is "one hundred forty million, one hundred ninety-one thousand, seven hundred forty-four".