140681023 has 6 divisors (see below), whose sum is σ = 160814184. Its totient is φ = 120556836.

The previous prime is 140680999. The next prime is 140681071. The reversal of 140681023 is 320186041.

It is not a de Polignac number, because 140681023 - 2¹⁷ = 140549951 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 (140681083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29140 + ... + 33622.

It is an arithmetic number, because the mean of its divisors is an integer number (26802364).

Almost surely, 2^140681023 is an apocalyptic number.

140681023 is a deficient number, since it is larger than the sum of its proper divisors (20133161).

140681023 is an frugal number, since it uses more digits than its factorization.

140681023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8973 (or 4490 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 140681023 is about 11860.9031275026. The cubic root of 140681023 is about 520.0900029123.

The spelling of 140681023 in words is "one hundred forty million, six hundred eighty-one thousand, twenty-three".