140731480 has 128 divisors (see below), whose sum is σ = 355622400. Its totient is φ = 49876992.

The previous prime is 140731477. The next prime is 140731501. The reversal of 140731480 is 84137041.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1450792 + ... + 1450888.

It is an arithmetic number, because the mean of its divisors is an integer number (2778300).

Almost surely, 2^140731480 is an apocalyptic number.

140731480 is a gapful number since it is divisible by the number (10) 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 140731480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177811200).

140731480 is an abundant number, since it is smaller than the sum of its proper divisors (214890920).

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

140731480 is a wasteful number, since it uses less digits than its factorization.

140731480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 140731480 is about 11863.0299670868. The cubic root of 140731480 is about 520.1521743978.

The spelling of 140731480 in words is "one hundred forty million, seven hundred thirty-one thousand, four hundred eighty".