140673879 has 12 divisors (see below), whose sum is σ = 203302632. Its totient is φ = 93733200.

The previous prime is 140673859. The next prime is 140673881. The reversal of 140673879 is 978376041.

It is not a de Polignac number, because 140673879 - 2⁹ = 140673367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140673859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24109 + ... + 29369.

It is an arithmetic number, because the mean of its divisors is an integer number (16941886).

Almost surely, 2^140673879 is an apocalyptic number.

140673879 is a deficient number, since it is larger than the sum of its proper divisors (62628753).

140673879 is a wasteful number, since it uses less digits than its factorization.

140673879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8238 (or 8235 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 140673879 is about 11860.6019661736. The cubic root of 140673879 is about 520.0811991049.

The spelling of 140673879 in words is "one hundred forty million, six hundred seventy-three thousand, eight hundred seventy-nine".