140547460 has 24 divisors (see below), whose sum is σ = 303128280. Its totient is φ = 54699264.

The previous prime is 140547443. The next prime is 140547461. The reversal of 140547460 is 64745041.

It can be written as a sum of positive squares in 4 ways, for example, as 36385024 + 104162436 = 6032^2 + 10206^2 .

It is not an unprimeable number, because it can be changed into a prime (140547461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94225 + ... + 95704.

It is an arithmetic number, because the mean of its divisors is an integer number (12630345).

Almost surely, 2^140547460 is an apocalyptic number.

140547460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140547460 is an abundant number, since it is smaller than the sum of its proper divisors (162580820).

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

140547460 is a wasteful number, since it uses less digits than its factorization.

140547460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189975 (or 189973 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 140547460 is about 11855.2714013640. The cubic root of 140547460 is about 519.9253591090.

It can be divided in two parts, 140 and 547460, that added together give a square (547600 = 740²).

The spelling of 140547460 in words is "one hundred forty million, five hundred forty-seven thousand, four hundred sixty".