140663067 has 4 divisors (see below), whose sum is σ = 187550760. Its totient is φ = 93775376.

The previous prime is 140663053. The next prime is 140663069. The reversal of 140663067 is 760366041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 760366041 = 3 ⋅253455347.

It is a cyclic number.

It is not a de Polignac number, because 140663067 - 2¹¹ = 140661019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140663069) 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, 23443842 + ... + 23443847.

It is an arithmetic number, because the mean of its divisors is an integer number (46887690).

Almost surely, 2^140663067 is an apocalyptic number.

140663067 is a deficient number, since it is larger than the sum of its proper divisors (46887693).

140663067 is an equidigital number, since it uses as much as digits as its factorization.

140663067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46887692.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 140663067 is about 11860.1461626744. The cubic root of 140663067 is about 520.0678745227.

The spelling of 140663067 in words is "one hundred forty million, six hundred sixty-three thousand, sixty-seven".