140153660021 has 8 divisors (see below), whose sum is σ = 141880100544. Its totient is φ = 138432965760.

The previous prime is 140153660011. The next prime is 140153660029. The reversal of 140153660021 is 120066351041.

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 140153660021 - 2³⁴ = 122973790837 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 (140153660029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1387475 + ... + 1485056.

It is an arithmetic number, because the mean of its divisors is an integer number (17735012568).

Almost surely, 2^140153660021 is an apocalyptic number.

It is an amenable number.

140153660021 is a deficient number, since it is larger than the sum of its proper divisors (1726440523).

140153660021 is an equidigital number, since it uses as much as digits as its factorization.

140153660021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873131.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 140153660021 in words is "one hundred forty billion, one hundred fifty-three million, six hundred sixty thousand, twenty-one".