140696705 has 8 divisors (see below), whose sum is σ = 168913512. Its totient is φ = 112505728.

The previous prime is 140696701. The next prime is 140696713. The reversal of 140696705 is 507696041.

It can be written as a sum of positive squares in 4 ways, for example, as 11806096 + 128890609 = 3436^2 + 11353^2 .

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 140696705 - 2² = 140696701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140696701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8819 + ... + 18951.

It is an arithmetic number, because the mean of its divisors is an integer number (21114189).

Almost surely, 2^140696705 is an apocalyptic number.

It is an amenable number.

140696705 is a deficient number, since it is larger than the sum of its proper divisors (28216807).

140696705 is a wasteful number, since it uses less digits than its factorization.

140696705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12915.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 140696705 is about 11861.5641885883. The cubic root of 140696705 is about 520.1093273580.

The spelling of 140696705 in words is "one hundred forty million, six hundred ninety-six thousand, seven hundred five".