140566672 has 10 divisors (see below), whose sum is σ = 272347958. Its totient is φ = 70283328.

The previous prime is 140566667. The next prime is 140566681. The reversal of 140566672 is 276665041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 140564736 + 1936 = 11856^2 + 44^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4392693 + ... + 4392724.

Almost surely, 2^140566672 is an apocalyptic number.

It is an amenable number.

140566672 is a deficient number, since it is larger than the sum of its proper divisors (131781286).

140566672 is an equidigital number, since it uses as much as digits as its factorization.

140566672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8785425 (or 8785419 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 140566672 is about 11856.0816461426. The cubic root of 140566672 is about 519.9490482621.

The spelling of 140566672 in words is "one hundred forty million, five hundred sixty-six thousand, six hundred seventy-two".