140647701 has 4 divisors (see below), whose sum is σ = 187530272. Its totient is φ = 93765132.

The previous prime is 140647699. The next prime is 140647721. The reversal of 140647701 is 107746041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 140647701 - 2¹ = 140647699 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 (140647721) 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 3 ways as a sum of consecutive naturals, for example, 23441281 + ... + 23441286.

It is an arithmetic number, because the mean of its divisors is an integer number (46882568).

Almost surely, 2^140647701 is an apocalyptic number.

It is an amenable number.

140647701 is a deficient number, since it is larger than the sum of its proper divisors (46882571).

140647701 is an equidigital number, since it uses as much as digits as its factorization.

140647701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46882570.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 140647701 is about 11859.4983452084. The cubic root of 140647701 is about 520.0489364695.

The spelling of 140647701 in words is "one hundred forty million, six hundred forty-seven thousand, seven hundred one".