140193467 has 4 divisors (see below), whose sum is σ = 140427336. Its totient is φ = 139959600.

The previous prime is 140193461. The next prime is 140193497. The reversal of 140193467 is 764391041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764391041 = 71 ⋅10766071.

It is a cyclic number.

It is not a de Polignac number, because 140193467 - 2¹⁰ = 140192443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140193461) 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, 116033 + ... + 117234.

It is an arithmetic number, because the mean of its divisors is an integer number (35106834).

Almost surely, 2^140193467 is an apocalyptic number.

140193467 is a deficient number, since it is larger than the sum of its proper divisors (233869).

140193467 is an equidigital number, since it uses as much as digits as its factorization.

140193467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233868.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 140193467 is about 11840.3322166230. The cubic root of 140193467 is about 519.4884849155.

The spelling of 140193467 in words is "one hundred forty million, one hundred ninety-three thousand, four hundred sixty-seven".