140165772 has 48 divisors (see below), whose sum is σ = 343429632. Its totient is φ = 44408320.

The previous prime is 140165759. The next prime is 140165777. The reversal of 140165772 is 277561041.

It is not an unprimeable number, because it can be changed into a prime (140165777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44572 + ... + 47612.

It is an arithmetic number, because the mean of its divisors is an integer number (7154784).

Almost surely, 2^140165772 is an apocalyptic number.

140165772 is a gapful number since it is divisible by the number (12) 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 140165772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171714816).

140165772 is an abundant number, since it is smaller than the sum of its proper divisors (203263860).

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

140165772 is a wasteful number, since it uses less digits than its factorization.

140165772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238 (or 3236 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 140165772 is about 11839.1626393086. The cubic root of 140165772 is about 519.4542746169.

The spelling of 140165772 in words is "one hundred forty million, one hundred sixty-five thousand, seven hundred seventy-two".