140574481 has 4 divisors (see below), whose sum is σ = 140616000. Its totient is φ = 140532964.

The previous prime is 140574463. The next prime is 140574487. The reversal of 140574481 is 184475041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 140574481 - 2¹¹ = 140572433 is a prime.

It is a super-3 number, since 3×140574481³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140574487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15181 + ... + 22618.

It is an arithmetic number, because the mean of its divisors is an integer number (35154000).

Almost surely, 2^140574481 is an apocalyptic number.

It is an amenable number.

140574481 is a deficient number, since it is larger than the sum of its proper divisors (41519).

140574481 is an equidigital number, since it uses as much as digits as its factorization.

140574481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41518.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 140574481 is about 11856.4109662241. The cubic root of 140574481 is about 519.9586764499.

The spelling of 140574481 in words is "one hundred forty million, five hundred seventy-four thousand, four hundred eighty-one".