140061693 has 8 divisors (see below), whose sum is σ = 189914400. Its totient is φ = 91791728.

The previous prime is 140061577. The next prime is 140061721. The reversal of 140061693 is 396160041.

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

It is not a de Polignac number, because 140061693 - 2⁸ = 140061437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140061693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140061893) 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, 395478 + ... + 395831.

It is an arithmetic number, because the mean of its divisors is an integer number (23739300).

Almost surely, 2^140061693 is an apocalyptic number.

It is an amenable number.

140061693 is a deficient number, since it is larger than the sum of its proper divisors (49852707).

140061693 is an equidigital number, since it uses as much as digits as its factorization.

140061693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791371.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 140061693 is about 11834.7662841308. The cubic root of 140061693 is about 519.3256705413.

The spelling of 140061693 in words is "one hundred forty million, sixty-one thousand, six hundred ninety-three".