140467871 has 4 divisors (see below), whose sum is σ = 141858744. Its totient is φ = 139077000.

The previous prime is 140467867. The next prime is 140467903. The reversal of 140467871 is 178764041.

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

It is not a de Polignac number, because 140467871 - 2² = 140467867 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140467801) 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, 695285 + ... + 695486.

It is an arithmetic number, because the mean of its divisors is an integer number (35464686).

Almost surely, 2^140467871 is an apocalyptic number.

140467871 is a deficient number, since it is larger than the sum of its proper divisors (1390873).

140467871 is a wasteful number, since it uses less digits than its factorization.

140467871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1390872.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 140467871 is about 11851.9142335743. The cubic root of 140467871 is about 519.8271997333.

The spelling of 140467871 in words is "one hundred forty million, four hundred sixty-seven thousand, eight hundred seventy-one".