140723467 has 4 divisors (see below), whose sum is σ = 149001336. Its totient is φ = 132445600.

The previous prime is 140723423. The next prime is 140723483. The reversal of 140723467 is 764327041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140723467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140723417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4138909 + ... + 4138942.

It is an arithmetic number, because the mean of its divisors is an integer number (37250334).

Almost surely, 2^140723467 is an apocalyptic number.

140723467 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

140723467 is a deficient number, since it is larger than the sum of its proper divisors (8277869).

140723467 is an equidigital number, since it uses as much as digits as its factorization.

140723467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8277868.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 140723467 is about 11862.6922323729. The cubic root of 140723467 is about 520.1423020307.

The spelling of 140723467 in words is "one hundred forty million, seven hundred twenty-three thousand, four hundred sixty-seven".