140543672 has 16 divisors (see below), whose sum is σ = 263646240. Its totient is φ = 70238016.

The previous prime is 140543671. The next prime is 140543681. The reversal of 140543672 is 276345041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140543671) 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, 26993 + ... + 31775.

It is an arithmetic number, because the mean of its divisors is an integer number (16477890).

Almost surely, 2^140543672 is an apocalyptic number.

It is an amenable number.

140543672 is a deficient number, since it is larger than the sum of its proper divisors (123102568).

140543672 is a wasteful number, since it uses less digits than its factorization.

140543672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8462 (or 8458 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 140543672 is about 11855.1116401323. Note that the first 3 decimals coincide. The cubic root of 140543672 is about 519.9206881010.

The spelling of 140543672 in words is "one hundred forty million, five hundred forty-three thousand, six hundred seventy-two".