140818072 has 16 divisors (see below), whose sum is σ = 279565560. Its totient is φ = 66267264.

The previous prime is 140818061. The next prime is 140818079. The reversal of 140818072 is 270818041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140818079) 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, 517578 + ... + 517849.

Almost surely, 2^140818072 is an apocalyptic number.

It is an amenable number.

140818072 is a deficient number, since it is larger than the sum of its proper divisors (138747488).

140818072 is a wasteful number, since it uses less digits than its factorization.

140818072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035450 (or 1035446 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 140818072 is about 11866.6790636639. The cubic root of 140818072 is about 520.2588356374.

Subtracting from 140818072 its sum of digits (31), we obtain a palindrome (140818041).

The spelling of 140818072 in words is "one hundred forty million, eight hundred eighteen thousand, seventy-two".