140492867 has 4 divisors (see below), whose sum is σ = 140942040. Its totient is φ = 140043696.

The previous prime is 140492851. The next prime is 140492893. The reversal of 140492867 is 768294041.

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

It is a cyclic number.

It is not a de Polignac number, because 140492867 - 2⁴ = 140492851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140492827) 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, 224117 + ... + 224742.

It is an arithmetic number, because the mean of its divisors is an integer number (35235510).

Almost surely, 2^140492867 is an apocalyptic number.

140492867 is a deficient number, since it is larger than the sum of its proper divisors (449173).

140492867 is an equidigital number, since it uses as much as digits as its factorization.

140492867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449172.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 140492867 is about 11852.9686998659. The cubic root of 140492867 is about 519.8580320034.

The spelling of 140492867 in words is "one hundred forty million, four hundred ninety-two thousand, eight hundred sixty-seven".