140681594 has 8 divisors (see below), whose sum is σ = 211383648. Its totient is φ = 70220380.

The previous prime is 140681591. The next prime is 140681599. The reversal of 140681594 is 495186041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (140681591) 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, 58742 + ... + 61089.

It is an arithmetic number, because the mean of its divisors is an integer number (26422956).

Almost surely, 2^140681594 is an apocalyptic number.

140681594 is a deficient number, since it is larger than the sum of its proper divisors (70702054).

140681594 is a wasteful number, since it uses less digits than its factorization.

140681594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120420.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 140681594 is about 11860.9271981578. The cubic root of 140681594 is about 520.0907065632.

The spelling of 140681594 in words is "one hundred forty million, six hundred eighty-one thousand, five hundred ninety-four".