140454272 has 64 divisors (see below), whose sum is σ = 338631840. Its totient is φ = 56647680.

The previous prime is 140454271. The next prime is 140454313. The reversal of 140454272 is 272454041.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140454271) 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 7 ways as a sum of consecutive naturals, for example, 10622 + ... + 19842.

Almost surely, 2^140454272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140454272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169315920).

140454272 is an abundant number, since it is smaller than the sum of its proper divisors (198177568).

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

140454272 is an equidigital number, since it uses as much as digits as its factorization.

140454272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9259 (or 9247 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 140454272 is about 11851.3405148954. The cubic root of 140454272 is about 519.8104239915.

The spelling of 140454272 in words is "one hundred forty million, four hundred fifty-four thousand, two hundred seventy-two".