140493739 has 8 divisors (see below), whose sum is σ = 141753600. Its totient is φ = 139238400.

The previous prime is 140493737. The next prime is 140493761. The reversal of 140493739 is 937394041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 140493739 - 2¹ = 140493737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140493737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94774 + ... + 96244.

It is an arithmetic number, because the mean of its divisors is an integer number (17719200).

Almost surely, 2^140493739 is an apocalyptic number.

140493739 is a deficient number, since it is larger than the sum of its proper divisors (1259861).

140493739 is a wasteful number, since it uses less digits than its factorization.

140493739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 140493739 is about 11853.0054838425. The cubic root of 140493739 is about 519.8591075391.

The spelling of 140493739 in words is "one hundred forty million, four hundred ninety-three thousand, seven hundred thirty-nine".