140564474 has 8 divisors (see below), whose sum is σ = 210996768. Its totient is φ = 70232220.

The previous prime is 140564471. The next prime is 140564503. The reversal of 140564474 is 474465041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (140564471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21392 + ... + 27179.

It is an arithmetic number, because the mean of its divisors is an integer number (26374596).

Almost surely, 2^140564474 is an apocalyptic number.

140564474 is a deficient number, since it is larger than the sum of its proper divisors (70432294).

140564474 is a wasteful number, since it uses less digits than its factorization.

140564474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50020.

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 140564474 is about 11855.9889507371. The cubic root of 140564474 is about 519.9463381509.

The spelling of 140564474 in words is "one hundred forty million, five hundred sixty-four thousand, four hundred seventy-four".