140653769 has 8 divisors (see below), whose sum is σ = 142849728. Its totient is φ = 138463920.

The previous prime is 140653753. The next prime is 140653781. The reversal of 140653769 is 967356041.

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 140653769 - 2⁴ = 140653753 is a prime.

It is a super-2 number, since 2×140653769² = 39566965467810722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140653069) 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, 69794 + ... + 71780.

It is an arithmetic number, because the mean of its divisors is an integer number (17856216).

Almost surely, 2^140653769 is an apocalyptic number.

It is an amenable number.

140653769 is a deficient number, since it is larger than the sum of its proper divisors (2195959).

140653769 is an equidigital number, since it uses as much as digits as its factorization.

140653769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055.

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 140653769 is about 11859.7541711454. The cubic root of 140653769 is about 520.0564152303.

The spelling of 140653769 in words is "one hundred forty million, six hundred fifty-three thousand, seven hundred sixty-nine".